Please help I’m on my last questions! Will give brainliest

Answer:
1) you pay 17.20$ you save 4.30$
2) you pay 3.31$ and you save 0.29 cents.
3) you pay 14.98$ and you save 14.98$ ( you just divide it by 2 )
4) you pay 36.40$ and you save 9.10$
5) you pay 1.26$ and you save 0.54$
6) you pay 137.50$ and you save 112.50$
7) you pay 7.48$ and you save 7.48$ ( you just divide it by 2 )
8) you pay 66$ you save 84$
9) you pay 40$ and you save 60$
10) you pay 225$ and you save 75$
Step-by-step explanation:
i can not seem to be able to pust the picture of my work sorry