Madison is a sales associate for a transportation company. Each month she sells two cars for every 10 bicycles and four motorcycles for every car. If she makes 40 sales per month, and the variable \(x\) represents the number of cars she sells, which equation could you use to find how many cars she sells per month?

Suppose a school that has 1,200 students is taking every student on a school trip. Students will travel on buses with a seating capacity of 44 students. How many buses will be needed to transport all of the students?

Joanie bought 12 books. All the books costs the same amount. The total cost of the books, with tax, was $215.88. Joanie gave three of the books to the local community library. What was the value of the three books she donated?