Idk what the dollar signs or what the letters represent, would help but doesnt make sense
Answer:

Step-by-step explanation:
Objective: Use the rules of Algebra to isolate y.




Equation i= p time r time T
79500 time .0630 time .42
Equal 21,035.7 simple interest
Dos Doctor pepper on the interest, going back two time on the left which would become .0630
5 divide month of 12 which is .41666
Round to the nearest tenth which is .42
2,200 ÷ 40 = 55
So your answer is..
d.) 55
Good Luck! :)