Help me please i will give brainliest

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 jame pay at the end?

I’m still confused on how to work the percentages

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.