Question

A 12-gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and a drain that lesswater out at a rate of 1.5 gallons per minute. If you start with 3 gallons of water in the tub, how long willtake to fill the tub completely?a 3 minutes b..4 minutes C. 6 minutes d. 7.5 minutes e. 8 minutes​

Answer 1

Step-by-step explanation:

: A 12 gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and a drain that lets water out at a rate of 1.5 gallons per minute. If you start with 3 gallons of water in the tub, how long will it take to fill the tub completely?

A)3 min

B)4 min

C)6 min

D)7.5 min

E)8 min

Answer by ewatrrr(23274) (Show Source): You can put this solution on YOUR website!

Hi,

12 gallon tub,with 3 gallons of water in the tub: needs 9Gal to fill

water in at 3 gal/min, and out at a rate of 1.5 gal/min: Net in at

9gal%2F1.5+%28gal%2Fmin%29 = 6 min