1. A ball costing €50 was increased in price by 1%. What was the new price?
2. The perimeter of a swimming pool is 70 metres. If the width is 10 metres, what is the length of the pool?
3. A DVD player can be bought for €250 cash or for a down payment of €40 and twelve monthly payments of €20. How much do you save by save by paying cash?
1. 1.01 * 50 = ?
2. 2L + 2W = Perimeter
3. 40 + 12(20) = ?
Compare to 250.