Mathematics, 30.01.2020 00:04 dina18
It takes one student 10 hours to wash all of the cars at a school car wash. if 4 students wash all the cars, how many hours will each person spend washing cars? (assume that all students wash cars at the same rate.)
a. 40 hours
b. 5 hours
c. 0.4 hours
d. 3.5 hours
Answers: 2
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It takes one student 10 hours to wash all of the cars at a school car wash. if 4 students wash all t...
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