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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:

49hr

Step-by-step explanation:

if he worked for 40 hrs then he would get 40 * 12= 480 $

now 642-480 = we get the over time wage =162

now if we divide  162 /18= we get over time hr = 9hr

total hrs 40 + 9 = 49 hrs
Since he earned $642 he worked 53.5 hours 12x53.5=$642

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