Heather is filling her new Koi pond with a water hose. After 33 minutes, her pond has 74 gallons water. Her Koi pond holds 480 gallons of water. She adds another water hose that flows twice as fast. Find the constant of proportionality for the flow rate of the two water hoses combined? (round to nearest tenth)

Question

Mathematics

Kendall Vang

Today, 08:21

Heather is filling her new Koi pond with a water hose. After 33 minutes, her pond has 74 gallons water. Her Koi pond holds 480 gallons of water. She adds another water hose that flows twice as fast. Find the constant of proportionality for the flow rate of the two water hoses combined? (round to nearest tenth)

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Answers (1)

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Lorelei Moran · Answer 1

Initial flow rate: 74 gallons/33 minutes = 2.24 gallons/minute

Additional flow rate: 2*74/33 = 4/48 gallons/minute

Total new rate: 3*74/33 = 6.72 gallons/minute

the answer is 6.7