How to factor trinomials with a leading coefficient

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?

What is r i 4.5+10r=-6.5 with work pls

If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces