The Johnson family is SO excited to go swimming in their new pool! Which of the three hoses should they use to fill it the most quickly? How long will it take to fill if they use all three of the hoses? 
Standards
5.NF.A.1 5.NF.A.2 6.RP.A.3 7.RP.A.1
Math Practices
MP.1 MP.2 MP.3 MP.4 MP.5 MP.6 MP.7 MP.8
Grades
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