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Last year Mr. Henderson paid a total of $98.40 for phone service and $79.20 for garbage pick up what was his average cost per month for phone service and garbage pick up?

Respuesta :

To calculate the values do x / 12

So 98.4 / 12 = 8.2 and next part 79.2 / 12 = 6.6

Mr. Henderson spent $8.2 a month for phone service and $6.6 for garbage pick up.
harpazo
Let A = average for both

A = (97.40 + 79.20)/2

You finish.

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