to solve. Problems 15 -18, for each scenario, write a system of inequalities and use a graphing calculator 15. You need to bake some banana bread and some zucchini bread for a fund raiser at school. You plan to bake at least 4 and at most 12 loaves of bread. You need at least twice as many loaves of banana bread as zucchini bread. -410- A. Write a system of inequalities to model the scenario. B. Graph the system. 16. Cristina works as a math tutor for $8 per hour and babysits her brother for $6 per hour. She is only allowed to work 15 hours each week. She wants to earn at least $75 each week. Write a system of inequalities to model the situation. Step 17. Kaden is packing books into boxes for the media center. Each box can hold either 16 small books or 9 large books. He needs to pack at least 36 boxes and at least 420 books. Write a system of linear inequalities to represent the situation. 18. Noah is going to buy candy for the football concession stand. Small bags of candy cost $3.50 and large bags of candy cost $5.00. He needs to buy at least 20 bags of candy, and he cannot spend more than $100. Write a system of linear inequalities that represent the situation