Nikki goes to work every day after school for 3 hours. She earns $15 per hour working at the local music store. She's earned $1,500 already. How many more hours does she need to work to get her earnings up to $2,250? pretty hard so ill hard so ill give 12 points.

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck