Answer:
$7.54
Step-by-step explanation:
I am going to assume you are asking how much to price the books at since the question is unfinished. If so, it is the answer above.
Answer: 6, -6
Step-by-step explanation:
If Ann is at 0, Ben will be four units away from her which could be 4 or -4 so since Carl will be 2 units away from Ben, he the only possible locations are 6, or -6
