If he earns $12 per hr for 40 hrs of week and earns $18 per hr for hours worked over 40 how many hrs did he work if he earned $642

Respuesta :

Answer:

49 hours

Step-by-step explanation:

Regular pay for 40 hours = $ 12  * 40 =  $ 480

Amount of overtime pay =  642 - 480 = $ 162

Overtime hours worked  =  $ 162  /  18 =   9 hours

Total hours worked = 40 + 9  = 49