The amount of money an electrician charges when visiting a home to make a repair is shown by the linear equation c = 110 + 85h, where c is the amount the electrician charges and h is the number of hours spent at the home.

How much does the electrician charge when h = 3.5?

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Question

The amount of money an electrician charges when visiting a home to make a repair is shown by the linear equation c = 110 + 85h, where c is the amount the electrician charges and h is the number of hours spent at the home.
 
How much does the electrician charge when h = 3.5?
 
$

phi · Answer

c = 110 + 85h

h = 3.5  means erase the h in the equation and put in 3.5 instead
Also, remember 85h is short for 85 * h  (85 times h)

then simplify, and remember order of operations:  do the multiply first, then the add

can you do that ?