Posted by **Ellie** on Thursday, March 28, 2013 at 5:17pm.

a copy machine makes c copies in m minutes according to the equation c=60m. what is the unit rate of copies per minute?

I think it is m but not sure, can you help me understand how to figure out this equation.

Thanks

- math -
**Reiny**, Thursday, March 28, 2013 at 11:38pm
Suppose you were to actually put a number in for m

e.g.

A copy machine makes 120 copies in 4 minutes, what is the unit rate of copies per minute

Wouldn't it be 30 copies per minute ?

What did we do ?

We divided 120 by 4.

so if it makes c copies in m minutes, then the

unit rate would be c/m copies per minute.

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