MTH 112

Sample Word Problems

Systems of Equations

                                    1) Office Owl, which sells chairs, desks , and filing cabinets, charges $12 for shipping chairs, $14 for shipping desks, and $15 for shipping filing cabinets. One week shipping charges for 330 orders totaled $4500. The difference between the number of chair shipped and the number of filing cabinets is 20. Find the number of orders shipped of each product. Show all setups.

2) One day Evan and Lyle pool their loose change to buy snacks between classes. They spent $2.50 on one bottle of Coke, 2 donuts, and one bag of m & m's. The next day they spend $2.25 on 3 donuts, and two bags of m&m's. The third day they buy one bottle of Coke, 1 donut, and two bags of m & m's for $3.00. On the fourth day they have $3.75. Is this enough for two bottles of Coke and 2 donuts? Find the price of each item.

Show all work and explain.

Solutions