X hour and 7 dollars per hour
x = hour
7(x) is your function
thank you for Anlian for pointing it out.. there is 4 hours
so x = 4
plug in 4 in x. 7(4)
7 x 4 = 28
28 is your answer
hope this helps
$2,960 each. because $3,000- $40=2,960
To compare you should make the down part equal first
27/45 < 30/45
