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
50% off $10
50% off $20
50% off $30
50% off $40
50% off $50
50% off $60
50% off $70
50% off $80
50% off $90
50% off $100
50% off $110
50% off $120