1- Click a % off on the Choose % Off menu at the left to select the drill you wish to practice 2- Mentally choose one of the flash cards below and calculate the price after the discount 3- Click the numbers on the card to view the correct answer
Choose % Off
10% off $10
10% off $20
10% off $30
10% off $40
10% off $50
10% off $60
10% off $70
10% off $80
10% off $90
10% off $100
10% off $110
10% off $120