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A computer technician charges $40 for a house call and $38 per hour. The expression 40 + 38t is used to find the cost of a house call that lasts t hours.

What is the cost of a house call that last 3 hours?

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I showed you how to do the last problem. Now it's your turn.

If you post your work here, I'll be glad to check it.

6 + 3

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