Mathematics, 24.11.2019 07:31 Animallover100
Awork crew has a new pump and an old pump. the new pump can fill a tank in 5 hours, and the old pump can fill the same tank in 7 hours. write and solve an equation for the time it will take both pumps to fill one tank if the pumps are used together
Answers: 1
 job/hr
 job/hr
 job/hr
 = 2 
 hr = 2hr 55 min (time to do the job together)
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Awork crew has a new pump and an old pump. the new pump can fill a tank in 5 hours, and the old pump...
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