Question

Juan always saves the same amount from his weekly allowance. This table shows how much he has saved in dollars at different times. Time (wk) 3 6 9 12 Amount saved ($) 19 28 37 46 Which equation represents this situation, where x is the time and y is the amount saved?

Answer 1

Y=3x+10
Y is the amount saved, and x is the weeks. 3 is the amount which he saves per week, since he saves 9 dollars in three weeks. 10 is the amount of money he started with.