Answer:
Explanation:
7.55x+100=160
7.55x=160-100
7.55=60
7.55/7.55=60/7.55
X=60/7.55
X=7.94
X=8
he must of worked 8 hours
y= 7.55x+100
160=7.55x+100
-100 -100
60=7.55x
/7.55 /7.55
x=7.947
hope this helps
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