Homework Help: college math

Posted by Samantha on Thursday, July 19, 2012 at 12:16am.

The ratio of soda to diet soda in Bill's Supermarket is 8 to 9. If a person counted 72 bottles of soda, how many bottles of diet soda are there?

college math - drwls, Thursday, July 19, 2012 at 1:06am
S = # of soda cans = 72
D = # of diet soda cans

S/D = 8/9 = 72/D

D = (9/8)*72 = 81

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