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A water tank has 22 gallons of water. It begins to receive 26 gallons per hour for a number of hours. If the tank needs to fill to at least 516 gallons, which of the following is the minimum number of hours the tank should continue filling?

2 Answers

3 votes

Answer:

B. 19

Explanation:

User Khanh
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The number of gallons in the tank can be represented by the equation:
g = 26h + 22; where g is the gallons of water in the tank and h is the number of hours passed.

Equating g to 516:

516 = 26h + 22
26h = 494
h = 19 hours of filling time
User Lior Chaga
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