1(1,15)2,3(2,25)$42(No, that's incorrect. Try again.HINT: )$43($42You have not found the cross products.If a-1,+2b = c-1,+2d, then ad = bc.)$44($4255Your answer must be reduced to lowest terms.)$46($4255Set cross products equal to each other. Solve. Check your answer.)
Solve for x. Enter your answer in lowest terms.Use a / for the fraction bar.12 = x3The solution is ? .iT1112 = x3+20,+0m20For the proportion to be true the cross products must be equal.m0+8(1)(3) = (2)(x)p4:8 = 2xp+20,+0Now solve for x. Divide both+20,+0sides by 2.+5+942 = xpThe solution is 56.
5"/"6#20/1@$43#4/2@$44_$46
1(2,15)2,3(2,25) $42(No, that's incorrect. Try again.HINT: )$43($42You have not found the cross products.If a-1,+2b = c-1,+2d, then ad = bc.)$44($4255Your answer must be reduced to lowest terms.)$46($4255Set cross products equal to each other. Solve. Check your answer.)
Solve for x. Enter your answer in lowest terms.Use a / for the fraction bar.x1 = 23The solution is ? .iT11x1 = 23+20,+0m20For the proportion to be true the cross products must be equal.m0 (x)(3) = (1)(2)p+5 3x = 4p+20,+0Now solve for x. Divide both+20,+0sides by 3.+5+10 x = 43pThe solution is 56.
5"/"6#20/2@$43#4/3@$44_$46
1(1,15)2,3(2,25) $42(No, that's incorrect. Try again.HINT: )$43($4255Be sure to use parentheses and multiply 2 by both terms in the denominator.)$44($42You have not found the cross products.If a-1,+2b = c-1,+2d, then ad = bc.)$45($4255Your answer must be reduced to lowest terms.)$46($4255Set cross products equal to each other. Solve. Check your answer.)
Solve for x. Enter your answer in lowest terms.Use a / for the fraction bar.1x - 2 = 23The solution is ? .iT111x - 2 = 23+20,-1m20For the proportion to be true the cross products must be equal.m0+9 (1)(3) = (2)(x - 2)p4:9 = 2x - 10p+20,+0Solve for x. Add 10 to both sides.+124:3 + 10 = 2x - 10 + 10p11:9 = 2xp+20,+0Divide both sides by 2.+5 112 = xpThe solution is 56.
5"/"6#21/2@$43#17/3@$44#11/2@$45_$46
1,2(2,25)3(1,15) $42(No, that's incorrect. Try again.HINT: )$43($4255Be sure to use parentheses and multiply 1 by both terms in the denominator.)$44($42You have not found the cross products.If a-1,+2b = c-1,+2d, then ad = bc.)$45($4255Your answer must be reduced to lowest terms.)$46($4255Set cross products equal to each other. Solve. Check your answer.)
Solve for x. Enter your answer in lowest terms.Use a / for the fraction bar.12 = 3x + 3The solution is ? .iT1112 = 3x + 3+20,-1m20For the proportion to be true the cross products must be equal.m0+14 (1)(x + 3) = (2)(3)p +91:2x + 4 = 10p+20,+0Solve for x. Add -4 to both sides.+9+91:2x + 4 - 4 = 10 - 4p1:14x = 11p+20,+0Divide both sides by 1.+5+15 +5 x = 111pThe solution is 56.
5"/"6#20/1@$43#21/2@$44#11/1@$45_$46
1(2,15)2(2,25)3(2,9) $42(No, that's incorrect. Try again.HINT: )$43($4255Be sure to use parentheses in the numerators when cross multiplying.)$44($4255Your answer must be reduced to lowest terms.)$45($42)$46($4255Set cross products equal to each other. Solve. Check your answer.) n(2=3)
Solve for x. Enter your answer in lowest terms.Use a / for the fraction bar.x + 12 = x - 23The solution is ? .iT11x + 12 = x - 23+20,-1m20For the proportion to be true the cross products must be equal.m0+14 (x + 1)(3) = (x - 2)(2)p +163:2x + 4 = 2x - 5p+20,+1Solve for x. Add -2x to both sides.+153:2x - 2x + 4 = 2x - 2x - 5p+20,+0Combine terms.+166:8x + 4 = -5p+19,+1 Add -4 to both sides.+16+166:2x + 4 - 4 = -5 - 4p6:14x = -7pcs6:14x = -7+20,+0Divide both sides by 6.+5+9x = - 76pThe solution is - 910.
-9/10#20/21@$43#7/6@$44_$46
1(2,9)2(2,8)11(80,160)6(1,6)$1(peaches)$2(apples)$3(plums)$4(apricots)$5(eggplants)$6(oranges) $42(No, that's incorrect. Try again.HINT: )$43($4255Set the proportion up as $3/1 lb = $x/2 lb or 1 lb/2 lb = $3/$x.)$46($4255Set up a proportion. Check the units in your proportion. Check your answer.) n(1=2)
If 1 pounds of $6 cost $3,how much would 2 pounds cost?The cost would be $ ? .iT11aIf 1 pounds of $6 cost $3,how much would 2 pounds cost?Let x represent the cost in dollars.Set up a proportion using cost andpounds of $6.+3,+031 = x2pUse cross products to solve.51x = 3 ÿ 25 x = 415 x = 5pThe cost would be $5.
5#21@$43#23@$43_$46
1(5,25)2(3,7)3(3,9) $42(No, that's incorrect. Try again.HINT: )$43($42Set the proportion up as $4/$1 = $x/$5 or$4/$x = $1/$5.)$46($4255Set up a proportion. Check the units in your proportion. Check your answer.) n(1=8)n(1=11)n(1=18)
The sales tax on a $1 item is $4. What would be the tax on a purchase of $5?The tax would be $ ? .iT11The sales tax on a $1 item is $4. What would be the tax on a purchase of $5?Let x represent the sales tax in dollars.+20Set up a proportion using+20tax and dollars. 41 = x5p+20Use cross products to solve. 1:2x = 4 ÿ 5 x = 61 x = 7pThe tax would be $7.
"$"77#21@$43#23@$43_$46
1(3,7)2(3000,5000)3(3,9) $42(No, that's incorrect. Try again.HINT: )$43($42Set the proportion up as 1/2 = x/4 or1/x = 2/4.)$46($4255Set up a proportion. Check the units in your proportion. Check your answer.)
Suppose that 1 sacks of fertilizer cover 2 square feet of garden. How many sacks would be needed for4 square feet?You would need ? sacks full.iT11Suppose that 1 sacks of fertilizer cover 2 square feet of garden. How many sacks would be needed for4 square feet?Let x represent the number of sacks needed.+20Set up a proportion using+20sacks and square feet. 12 = x4p+20Use cross products to solve. 2x = 1 ÿ 4 x = 52 x = 6p6 sacks would be needed.
6"sacks"6"Sacks"6"SACKS"6#21@$43#23@$43_$46
1(5,15)2(200,400)3(2,9) $42(No, that's incorrect. Try again.HINT: )$43($42Set the proportion up as 1/2 = 4/x or1/4 = 2/x.)$46($4255Set up a proportion. Check the units in your proportion. Check your answer.)
The distance between 2 cities on a road map is 1 inches. Actually, the cities are 2 miles apart. On the map, two other cities are 4 inches apart. What is the actual distance between them?The distance is ? miles.iT11The distance between 2 cities on a road map is 1 inches. Actually, the cities are 2 miles apart. On the map, two other cities are 4 inches apart. What is the actual distance between them?Let x represent the the distance in miles.+20Set up a proportion using+20inches and miles. 12 = 4xp+20Use cross products to solve. 1:2x = 2 ÿ 4 x = 51 x = 6pThe actual distance is 6 miles.
6"miles"6"Miles"6"MILES"6#21@$43#23@$43_$46
1(1,9)2(110,190)3(2,10) $42(No, that's incorrect. Try again.HINT: )$43($42Set the proportion up as 1/$12 = 3/$x or$12/$x = 1 oz/3 oz.)$46($4255Set up a proportion. Check the units in your proportion. Check your answer.)
1 ounces of perfume sell for $12.How much would 3 ounces of perfume cost?$ ? Round your answer to the nearest cent.iT11a1 ounces of perfume sell for $12.How much would 3 ounces of perfume cost?Set up a proportion.+4,+01 ounces$2 = 3 ounces$x25Set cross products25equal to each other.1:10 ÿ x = 7p25Divide both sides by 1.13x = 8p3 ounces cost $8.