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Lesson: Challenging Problem Solving - 25t01

Tough Rate Questions, Continued

[Page 25 of 37]

If five machines working at the same rate can do of a job in 30 minutes, how many minutes would it take two machines working at the same rate to do of the job?

45
60
75
80
100
Use the question stem to determine how much of the job one machine could complete in the same amount of time. Enter your response into the box below and then click Continue.

One machine working at the same rate can complete

_____
of the job in 30 minutes.

If 5 machines can do of the job in 30 minutes, then one machine, representing of the 'work force', can do of this amount:

 

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