Question

he charges a rate of $100 plus $40 for every hour of your party fill in the following tables to show the cost of the D.J. for the first 4 hours

Answer 1

1st hour 100+40×1=140 2nd hour 100+40×2=180 3rd hour 100+40×3=220. 4th hour 100+40×4=260. Im not sure what it means by process column but hope this helps.