Give Data:
The cost per hour is, $15.09.
The toat amount made is, T = 170.95.
The time he worked is, 6 hours.
Ley x be the cost of the supplies.
The cost he made by working for 6 hours is,
[tex]C=6\text{hrs}\times15.09\text{ /hr=}90.54[/tex]Therefore, we have,
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