rainbowboy6055
rainbowboy6055
06.10.2020 • 
Mathematics

Rita's water tank contains 7.8 gallons of water. Rita will begin filling her water tank at a rate of 2.1 gallons per minute. Wendy's water tank contains 97.8 gallons of water. Wendy will begin draining her water tank at a rate of 0.9 gallon per minute.

After how many minutes will both water tanks contain the same amount of water?

A. 25 min

B. 30 min

C. 35 min

D. 75 min

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