Answer:
Each book costs $17
Step-by-step explanation:
Step 1: Make an expression
147 total -> 147 =
8 books -> 8x
11 left -> 11
Expression: 147 = 8x + 11
Step 2: Subtract both sides by 11
147 - 11 = 8x + 11 - 11
136 = 8x
Step 3: Divide both sides by 8
136 / 8 = 8x / 8
17 = x
Answer: Each book costs $17
