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Posted by **Tracy S** on Sunday, January 22, 2012 at 9:17am.

{_4_

3 X - 30 if x >60}

What is the cost if the repair man works for 45 minutes?

What is the cost if the repair man works for 105 minutes?

What is the computer repair man’s rate policy? Explain in real terms

- Math -
**Reiny**, Sunday, January 22, 2012 at 10:05amI cannot make out you second equation

is it

(4/3) x - 30

or

4/(3x-30)

or .....

secondly, how is x defined.

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