15$ I believe, as we can disregard the two original books (they have been payed for) leaving her to buy 1 book and having seven dollars, however if she needs $8 more you simply need to add 8+7.
Ten and seventy-three hundredths
Answer:
15 is the answer hope this helps
Answer:
3
Step-by-step explanation:
3
Answer:
6x + 2 is your answer I THINK
