SOLUTION: Suppose the length of a side of square A is 70% of the length of a side of square B. What percent of the area of square B is the area of square A? Define a variable and write a pr

Question 828616: Suppose the length of a side of square A is 70% of the length of a side of square B. What percent of the area of square B is the area of square A? Define a variable and write a proportion to solve.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Length of side for square B, let this be w.
Length of side for square A is .

Area for square A is , and area for square B is .

The question, "what percent of area of B is the area of A", means how much of area A is in area B? You specified a percentage value for A in B.

This is 49%.
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