Natalie W.

asked • 01/07/17

Rates and ratio problems

Amy needs 1 hour to do a certain job. Her dad can do the same job in 30 min. How many minute will it take them to do the job of they work together at given rates?

2 Answers By Expert Tutors

By:

Andrew M. answered • 01/07/17

Tutor
New to Wyzant

Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

Andrew M.

(3/60)x = 1
comes from multiplying the amount per minute
by x minutes and setting it equal to 100% or 1
then solving for x.
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01/07/17

Natalie W.

thank you Andrew, that's clarify it !!
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01/07/17

Andrew M.

You're welcome Natalie.
Best of luck with your class.
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01/07/17

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