A tank pumps out liquid at a rate of 12 gallons every 20 days. What is the unit rate in gallons per week?

1 answer:

8 0

Answer:

4.2

Step-by-step explanation:

simplify 12 and 20 to 6 and 10 then divide 6 by 10 and multiply by 7 to get the answer.

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Romashka-Z-Leto [24]

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I believe the answer is A

He is correct. If the second equation is multiplied by 2 and added to the first equation, the result is 0=3 , which means the system has no solution.

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<em>Solution in attachments!</em>

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natali 33 [55]

Then that would be 3 and 9.

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