1. MEDIUM

There was a box of 305 hair elastics. Emily bought 231 more elastics and added them to the box. However, Emily's sister Anna decided to take 101 elastics from the box. How many hair elastics are left in the box now?

 
2. MEDIUM

A subway car is travelling its usual route. There are zero people on the car as the train leaves the station. At station 1, 31 people get on the car. At station 2, 21 people get on the car and 5 get off. At station 3, 45 people get on the car and 10 get off. At station 4, 56 people get on the car and 12 get off. At station 5, 13 people get on the car and 65 get off. As the train leaves station 5, how many people are in this car?