Answer:
Explanation:
A mechanic earns $20 an hour, but 25% of his earnings are deducted for taxes and various types of insurances. What is the least number of hours the mechanic must work in order to have no less than $450 in after-tax income
Given data
Say the number of hours worked is x hours
Hence the earnings for x hours
=$20x
Let the total earnings be y
25% of the earning is
=25/100*20x
=0.25*20x
=5x