What is 60 + 50.45x = 57.95x and how do I know which part of the equation to solve at which time?

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?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Which two undefined geometric terms always describe figures with no beginning or end?