x = # of hours the bike was rented.
$40 = $12 + $7x
Subtract $12 from both sides.
$28 = $7x
Divide both sides by $7
4 = x
Sandy rented the bike for 4 hours.
A service call charge or fee is when you are charged a certain amount of money in order for a service technician to perform that specfic service.
This on is very easy go to my website so i can explain it better for you
<span>https://www.youtube.com/channel/UCaxhPMTZBmFcxAZ4hYpBf_w
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Hope this
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Answer:
It doesn't matter that much
Step-by-step explanation:
I know it from last year
