You just count them and then add and subtract and do all of your business you need to do
I I think you have the correct answer!
Use the formula of the present value of annuity ordinary through GoogleWhat you have here is a loan payment of $108.08 with a present value of $3015 (the $3350 minus the 10% down payment) and a future value of zero with monthly compounding over 36 months
I got
R=0.173906
R=17.3%
good luck
There are 85 candy bars in each box, and he will have 340 candy bars left after he gives three boxes to a friend.