Which problem situation can be represented by the algebraic model y=21 x a. alicia's car can travel 21 miles on one gallon of gas. how many miles, y, can it travel on x gallons? b. jeannie has read 21 pages of her book. how many pages, y, will she have read after reading x more pages? c. jeannie has read 21 pages of her book. how many pages, y, will she have read after reading x more pages? d. there were 21 students in mr. taylor's class. what is the number of groups, y he can have with x students in each group?

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