Does (6, 4) make the equation y = 2x true?

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?

Ineed with number 6 , explain how to get 1978

Combine the information in the problem and the chart using the average balance method to solve the problem.