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tekilochka [14]
3 years ago
11

Twenty pounds of a salt-water solution contains fifteen percent salt. How much salt is in the water?

Mathematics
1 answer:
Illusion [34]3 years ago
3 0

Answer:3

Step-by-step explanation:

15 percent of 20 pounds is 17 subtract 17 from 20 equals 3

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Answer:

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Step-by-step explanation:

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The length of a board is 55 inches. The board needs to be cut into 2 pieces with one piece 5 inches longer than the other piece.
photoshop1234 [79]
<h3>The length of longer piece is 30 inches</h3>

<em><u>Solution:</u></em>

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Therefore,

x + y = 55 -------- eqn 1

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Therefore,

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