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3. A mechanic charges $90 for the inspection plus $25 per hour. If the bill was $240, how many hours did he work?
A. 8 hours
B. 7 hours
C. 6 hours
D. 5 hours

3 A Mechanic Charges 90 For The Inspection Plus 25 Per Hour If The Bill Was 240 How Many Hours Did He Work A 8 Hours B 7 Hours C 6 Hours D 5 Hours class=

Sagot :

$90+25x=240
240-90
150/25
The answer is C.6
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