robert7425 robert7425

03-10-2018
Mathematics

contestada

David wants to fill his backyard swimming pool. His garden hose delivers 40 gallons in 5 minutes. How many gallons of water will be in the pool after 20 minutes? After 1 hour?

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gary1902 gary1902

03-10-2018

after 20 minutes there will be 40×4 (5×4=20) so 1600 gallons. In a hour there will be 40×12 (5×12=60minutes) so 480 gallons

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