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 ->  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


   

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(16946) About Me  (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