Yhn wants to go to trade school this coming semester. She needs to save at least $4,200 over the next six months in order to have enough money for her classes in construction management this fall. Yhn works as a landscaper making $12 per hour and a second job hauling rock making $15 per hour. Let x be the number of hours Yhn works as a landscaper and y be the number of hours Yhn works hauling rock. Translate this to an inequality that models the situation. If Yhn works 200 hours as a landscaper, what is the minimum number of hours she would have to work hauling rock