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EastWind [94]
3 years ago
15

the ratio of the length of a rectangle to its width is 8 to 5. if the longer side of the rectangle is 20 ft, what is the length

of its shorter side?
Mathematics
2 answers:
expeople1 [14]3 years ago
8 0
8/5 = 20/x
8x = 20(5)
8x = 100
x = 12.5

answer
<span>length of its shorter side = 12.5 ft</span>
nexus9112 [7]3 years ago
6 0
Length is 20

ratio is 8:5

20:?=8:5
20/?=8/5
times both sides by 5?
100=8?
divide both sides by 8
25/2=?
12.5=?

the shorter side is 12.5ft
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Step-by-step explanation:

Part A:

The inicial concentration of the lemonade is 50%, and the volume is 4 quarts, and we will add x quarts of a lemonade with a concentration of 100%, so the total volume will be y, and the concentration will be 0.7, so we have that:

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Using the value of y from the first equation in the second one, we have:

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