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Copy central prints black and white or colored copies. Yesterday, they printed 9 black and white cop...
4 months ago
Q:
copy central prints black and white or colored copies. Yesterday, they printed 9 black and white copies for every 2 colored copies. If they printed 200 color copies, how many black and white copies were printed
Accepted Solution
A:
[tex]\bf \cfrac{bw}{color}\qquad 9:2\qquad \cfrac{9}{2}\qquad \qquad \cfrac{bw}{200}=\cfrac{9}{2}\implies bw=\cfrac{200\cdot 9}{2}[/tex]