# SOLUTION: If the cost of x apples is b cents, what is a general formula for the cost, in cents, of y apples? I know the answer is bx/y, but I need to know why????? Thanks for your help

Algebra ->  Algebra  -> Proportions  -> Lessons -> SOLUTION: If the cost of x apples is b cents, what is a general formula for the cost, in cents, of y apples? I know the answer is bx/y, but I need to know why????? Thanks for your help      Log On

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 Click here to see ALL problems on Proportions Question 534824: If the cost of x apples is b cents, what is a general formula for the cost, in cents, of y apples? I know the answer is bx/y, but I need to know why????? Thanks for your help!!Answer by mananth(12270)   (Show Source): You can put this solution on YOUR website!if 10 apples cost 15 cents 15 apples will cost 15*15/10 = 22.5 cents Similarly if x apples cost b cents y apples will cost b*y/x m.ananth@hotmail.ca