Ethan is shopping on the Internet. He is going to buy 10 songs for his brother as a gift, and some additional songs for himself. Each song cost $1.09, and Ethan can spend up to $20 in all. Which inequality can be solved for n, the number of additional songs Ethan can buy for himself.

A. 1.09n - 10 ≤ 20
B. 1.09n + 10 ≤ 20
C. 1.09(n + 10)≤ 20
D. 1.09(n - 10)≤ 20