What is the percent of 13/40

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?

(x-5)1/2+5=2 what is a possible solution?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer