SOLUTION: The ancient Greeks thought that the most pleasing shape for a rectangle was one for which the ratio of length to width was 8 to 5. If the length of a rectangular painting is 20 inc

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Question 1164272: The ancient Greeks thought that the most pleasing shape for a rectangle was one for which the ratio of length to width was 8 to 5. If the length of a rectangular painting is 20 inches, determine the width of the painting
Found 2 solutions by greenestamps, ikleyn:
Answer by greenestamps(13198) About Me  (Show Source):
You can put this solution on YOUR website!


8%2F5+=+20%2Fx

Cross multiply -- that is, multiply everything by the least common denominator.

%288%2F5%29%285x%29+=+%2820%2Fx%29%285x%29
8x+=+100

I'll let you do the last calculation....

Answer by ikleyn(52778) About Me  (Show Source):