SOLUTION: If 3 sweaters cost $28.02, how much would 7 sweaters cost?The cost of seven sweaters is what?

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Question 1141713: If 3 sweaters cost $28.02, how much would 7 sweaters cost?The cost of seven sweaters is what?
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!


Good problem to setup as a proportion "28.02 is to 3 as x is to 7 ":

+matrix%281%2C+3%2C+28.02+%2F+3+%2C+%22+=++%22%2C++x+%2F+7++%29

+matrix%281%2C+3%2C+7+%2A+28.02+%2F+3+%2C+%22+=++%22%2C++x+++%29

You can plug into a calculator from here to find x