On time jimmy needs $42 to buy a pack of comic books. he has saved $18 and plans to work as a babysitter to earn $6 per hour. which inequality shows the minimum number of hours, n, that jimmy should work as a babysitter to earn enough to buy a pack of comic books? 6n ≥ 42 + 18, so n ≥ 10 6n ≤ 42 + 18, so n ≤ 10 18 + 6n ≤ 42, so n ≤ 4 18 + 6n ≥ 42, so n ≥ 4