Let x be the number of hours Brian worked.
The total cost is the sum of the cost of materials and the cost of labor:
$30 + $14(x) = $81.80
Now we solve for x:
$14(x) = $51.80
x = $51.80 / $14
x = 3.7
Therefore, Brian worked for approximately 3.7 hours.
brian billed his neighbor a total of $81.80 for the landscaping work he did. the cost of the materials was $30 and he charged $14 per hour for his service. how many hours did he work?
1 answer