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 <or equal to 20
B. 1.09n +10< or equal to 20
C. 1.09(n+10) < or equal 20
D. 1.09(n-10) < or equal to 20
1 answer
A. 1.09n - 10 < or equal to 20