Asked by Grace

Give the ratios of the length to breadth of a rectangle as 3:1, find the length, if the breadth is 5cm?
Answered by oobleck
x/5 = 3/1
Answered by Grace
Let the length of the rectangle be k. Ratio = dimensions. 3:1. 5:k. 3/1. =5/k. 3k=1×5. 3k/3=1×5/3. =K=1×5/3. K=5/3. k=1⅔
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