Mathematics, 27.08.2019 10:30, cami30031cami3003

Bill can hammer 20 nails in 6 minutes. jeff can do the same job in only 5 minutes . how long will it take them to finish if bill hammers the first 5 nails, then jeff hammers for 3 minutes then bill finishes the job?
a. 4.6 minutes
b. 5.0 minutes
c. 5.4 minutes
d. 5.8 minutes
e. 6.0 minutes

Answers: 1

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Bill can hammer 20 nails in 6 minutes. jeff can do the same job in only 5 minutes . how long will it...