SOLUTION: Benjamin visited an art show and saw a painting he really wanted to purchase but it was very expensive! In the gift shop, he found that he could by post cards of the paintings at a

Question 1030634: Benjamin visited an art show and saw a painting he really wanted to purchase but it was very expensive! In the gift shop, he found that he could by post cards of the paintings at a much more affordable price. The post card was 4 inches by 6 inches and it said that it was 2/7 the size of the original. What are the dimensions of the original painting?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Size is in reference to area, not distances.

4 by 6 is area .

using original area A.

Some linear factor k will change 4 by 6 into the area 84.

Original dimensions were
and
.
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