Adam plans to choose a video game from a section of the store where everything is 75% off. He writes the expression d−0.75d to find the sale price of the game if the original price is d dollars. Rena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars.

Use the drop-down menus to explain what each part of Adam's and Rena's expressions mean.

Adam's Expression: d−0.75d

d:
original price of video game

0.75:
percent discount

0.75d:

d−0.75d:

Rena's Expression: 0.25d

0.25:

d:

0.25d: