SOLUTION: At Art's Grocery Store three cans of chicken soup sell for $1.25. Find the cost of 8 cans What is the formula to solve this problem

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Question 302368: At Art's Grocery Store three cans of chicken soup sell for $1.25. Find the cost of 8 cans
What is the formula to solve this problem
Found 2 solutions by vleith, unlockmath:
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
You can use a ratio to solve this
3%2F8+=+1.25%2Fx
x+=+1.25%2A8%2F3
x+=+3.33333
So x = 3.34

Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
We can use proportions to solve this. We set it up like:
3/1.25=8/x
Cross multiply to get:
3x=10
Divide by 3 to get:
x=3.33 dollars (rounded off)
Make sense?
RJ
Get a book I wrote on the basics of math:
www.math-unlock.com