Jonathan needed to get his computer fixed. He took it to the repair store. The technician at the store worked on the computer for 3 hours and charged him $141 for parts. The total was $336. Write and solve an equation which can be used to determine xx, the cost of the labor per hour.
Answer
Attempt 1 out of 2
Equation:
Answer: xx
Equation: 3x + 141 = 336
Solving for x:
3x + 141 = 336
3x = 336 - 141
3x = 195
x = 195/3
x = 65
Therefore, the cost of the labor per hour is $65.