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 costs $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

1 answer

A. 1.09n-10<20