Q.4. Mandy babysits and makes $8.50 per hour. To commute to the job, she spends $40 per
 week on the bus and subway. Which inequality can be used to determine how many hours,
 h, she must work to make more than $300 per week?
 A. 8.50x + 40 > 300
 B. 8.50x40 > 300
 C. 40x+8.50 > 300
 D. 40x8.50 > 300