SOLUTION: Give the dimensions of rectangles with a 70 feet perimeter and length-to-width ratios of 3 to 4, 4 to 5, and 1 to 1

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Question 213278This question is from textbook
: Give the dimensions of rectangles with a 70 feet perimeter and length-to-width ratios of 3 to 4, 4 to 5, and 1 to 1 This question is from textbook

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2(3x)+2(4x)=70
6x+8x=70
12x=70
x=5
3x=15
4x=20
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2(4x)+2(5x)=70
8x+10x=70
18x=70
x=3.89
4x=15.6
5x=19.4
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70/4=17.5
17.5*4=70