How many books does the school need to order?
15. Mathplanet School has \(y\) students equally divided among \(x\) classes. The school wants to order enough mathbooks so that each student will have a book and each class will have 2 extra books. How many books does the school need to order?
- \(y+x\)
- \(y+2+x\)
- \(yx+2\)
- \(y+2x\)
- \(y(2+x)\)