Each plant in a garden display costs $0.50 and takes up 9 square inches of space. If a..

Mufid

New member
...gardener has $50? to spend on the display and he wants to make it 4 times as long as it is wide, the garden display should be _____ in. long.

36

60

81

100
 
Assume X is width, so 4X will be the length: means Area = Width X Length = 4XX

Now (0.5/90) = (50/4XX) => X = 15;
Therefore, length 4X = 60 inches
 
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