Question

A video game costs $21 more than a controller. Together, the video game and the controller cost $76. Which equation could be used to determine the cost x of the controller? A. x - (x - 21) = 76 B. x + 21 = 76 C. x - (x + 21) = 76 D. x + (x + 21) = 76

Answer 1

Answer:$D$

Explanation:

Let x be the cost of the controller. Thus, the video game costs x+21. Together, they cost x+21+x=76. Clearly, D matches our result so D is the answer.

Answer 2

55

Explanation: