You would have $660. The trick for 10% of something is to move the decimal one place to the left. The decimal is “hidden” to the right of the last 0. Add that interest on to get your answer!! Good luck!
If 
, then we can immediately cancel the factors of 
:
Factorize the numerator and denominator:
Next, if 
, then
It’s not going to be C because 10 is already in the question
Y=3x+10
10 represents the fee
X= amount of hours
3 is the cost per hour.
