Question

Copy center prints black and white or colored copies. Yesterday, they printed 9 black and white copies for every 2 colored. If they printed 200 color copies then how many black and white copies where printed??

Answer 1

Answer:

The answer to your question is 900 black and white copies

Step-by-step explanation:

Data

9 black and white copies for every 2 colored

printed 200 color copies

black and white copies = ?

Process

                 This is a proportion exercise

                         BW : C ::  bw : c

                          9 : 2 ::  bw : 200

                         bw = 200(9) / 2

                         bw = 1800 / 2

                         bw = 900 copies