Example of shaded common region of inequality.

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Can someone me out here and the tell me the greatest common factor

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?