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Mashutka [201]
2 years ago
14

A) y B) y>x C) y+x = 1 D) y/x = 1

Mathematics
1 answer:
Bond [772]2 years ago
6 0

Answer:

The answer should be C

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Answer:

<u>30 gallons solution 4% and 10 gallons solution 8%</u>

Step-by-step explanation:

<h3>x•4%+y•8%=40•5% </h3>

<em><u>4x+8y=40•5 and x+y=40</u></em>

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160-4y+8y=200

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4y=40 => y=10 (gallons solution 8%)

=> x=40-10=30 (gallons solution 4%)

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