+64 Naomi works in a music shop and earns $42 per day. She earns an extra $2 for each CD she sells. If Naomi wants to earn at least $80 per day, which inequality shows the minimum number of CDs, n, that she should sell?
A.42 + 2n ≤ 80, so n ≤ 19
B.42 + 2n ≥ 80, so n ≥ 19
C. 42 + 2n ≥ 80, so n ≥ 36
D.42 + 2n ≤ 80, so n ≤ 36
