A vehicle is purchased on credit, divided into 11 monthly installments. The first month the quota is 500. In the following months there was an increase of 10% in relation to the previous month. The amount of the last installment will be

A) 610
B) 1050
C) 1000
D) 8250

2 answers

This just a GP with
a = 500
r = 1.10
so a_11 = 500 * 1.10^10 = 1296.87
Looks like there's a typo somewhere ...
Why is r=1.10?