1. 2/x + 3y = 15, 5/x - 4/y = 3, find x

2. Price = 200, 1st discount = 20% 2nd discount = ?
Pays = 144

3. Area of a square increased by 69 its sides increased by ?

4. Object travelled 5 feet per minute. Distance covered in 2 sec?

5. 2x - 4y = -2, 3x- 2y = 3, 2y + x = ?