The expression 12.5x can be used to determine the total amount of wages earned after working x hours at a rate of $12.50 per hour. What is the total amount of wages earned by someone who
works 40 hours?

500 dollars earned

Step-by-step explanation:

if 12.5x is the amount per hour they earn then multiply that by the amount of hours they work

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

b.   e = 7.5h

hope this , lovely!