If you work for 5 hours and you make $65, how many hours would you have to work to earn $143

65/5 = $13 per hour (find out how much per hour)

let x is the number of hours you would have to work

$13x = $143

x = 143/13

x = 11

answer:

You need to work 11 hours to earn $143

To earn 143 dollars you must work 11hrs