Answer:

Step-by-step explanation:
Evaluate all the arithmetic first, and then remember absolute value equations have two possible ways to go (+ and -).
You can see how I split them on the 3rd line, later demonstrating how the 2nd one is invalid.

Therefore, the solution is 
Answer: 48
Step-by-step explanation:
V = b x h
V = 8 x 6
V = 48
With all the money that your family gave you, you would have $150
The answer is 8.031 per person