Penelope is saving up to purchase a new bike that costs R dollars. She has a 10% off coupon. Which expression represents the total cost of the item, in dollars, after the discount has been applied? (choose 2)
A 0.90R0.90 R
B 0.10R0.10 R
C 1 – 0.10R1 – 0.10 R
D (1 – 0.10)R (1 – 0.10) R
E (1 + 0.10)R
The correct expressions that represent the total cost of the item after the discount has been applied are:
A) 0.90 R
D) (1 - 0.10) R