800 College Boards/800 College Boards.iso/cbrd58/dbb

Text File | 1984-07-30 | 6KB | 1 lines

                                        :Q                                      1. Write .3% as a decimal.                                                      (a) .003  (b) .3  (c) .03  (d) 3                                                (e) .0003                               :RCA                                    1. (a) .003 Ans.                                                                          .3                                    = ---                                     100                                                                           = .003 Ans.                                                             Note: rewrite .3% as .3/100             :RA                                     :Q                                      2. Write 4.5% as a fraction.                                                    (a) 4/1000  (b) 45/1000  (c) 5/100                                              (d) 45/100  (e) 45/10                   :RCB                                    2. (b) 45/1000 Ans.                                                                  4.5% = 45/1000                                                                      = 4.5/100                                                                       = 45/1000 Ans.                 :RA                                     :Q                                      3. 40% of 80 =                                                                  (a) 20  (b) 60  (c) 32  (d) 30  (e) 2   :RCC                                    3. (c) 32 Ans.                                                                       %    is                                --- = --                                100   of                                                                         40    y                                --- = --                                100   80                                                                       3200 = 100y                                                                       32 = y Ans.                        :RA                                     :Q                                      4. 120% of 20 =                                                                 (a) 24  (b) 20  (c) 60  (d) 42  (e) 90  :RCA                                    4. (a) 24 Ans.                                                                       %    is                                --- = --                                100   of                                                                        120    y                                --- = --                                100   20                                                                       2400 = 100y                                                                       24 = y Ans.                        :RA                                     :Q                                      5. What percent of 70 is 25?  (to the   nearest percent)                                                                (a) 30  (b) 35  (c) 38  (d) 26  (e) 36  :RCE                                    5. (e) 36 Ans.                                                                       %    is                                --- = --                                100   of                                                                         y    25                                --- = --                                100   70                                                                        70y = 2500                                                                        y = 35 5/7%                                                                     y = 36% Ans.                      :RA                                     :Q                                      6. What percent of 15 is 45?                                                    (a) 3000%  (b) 30%  (c) 3500%                                                   (d) 300%  (e) 600%                      :RCD                                    6. (d) 300% Ans.                                                                     %    is                                --- = --                                100   of                                                                         y    45                                --- = --                                100   15                                                                        15y = 4500                                                                        y = 300% Ans.                     :RA                                     :Q                                      7. 14 is 170% of what number?                                                   (a) 8 4/17  (b) 8 1/10  (c) 9 4/14                                              (d) 8  (e) 0                            :RCA                                    7. (a) 8 4/17 Ans.                                                                   %    is                                --- = --                                100   of                                                                        170   14                                --- = --                                100    y                                                                       170y = 1400                                                                        y = 8 4/17% Ans.                  :ET                                     :ET                                     Copyright ARROW INSTRUCTIONAL SYSTEMS               July 1983