(-y + 5a - 4) + (3y - a - 5) is simplified to 2y + 4a - 11
0.004 is one tenth of 0.04 or 0.04 is ten times 0.004
Since the expression 7h + 1.50d can be used to find the total earnings. We just need to substitute the given data to the expression to solve the problem.
7(15) + 1.50(8)
105 + 12 = 117
Colton's total earnings after working 15 hours and making 8 deliveries is 117 dollars.
