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How do I these plz help

How do I these plz help-example-1
User Nacho B
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1. Answer: 60 minutes

Explanation:

Faucet A: 140 milliliters/min = 0.140 liters/min

Faucet B: 100 milliliters/min = 0.100 liters/min

Let x represent the amount of time


Faucet A + Faucet B = Full fish tank

0.140x + 0.100x = 14.4

0.240x = 14.4

x = 60

**************************************************************************

2. Answer: 40 minutes

Explanation:

Quantity currently in tank: 4.8 liters

Water In: 150 milliliters/min = 0.150 liters/min

Water Out: 270 milliliters/min = 0.270 liters/min

Let x represent the amount of time


Qty in tank + In - Out = Empty fish tank

4.8 + 0.15x - 0.27x = 0

- 0.27x = -4.8

x = 40


User HLLL
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