10
QuizMultiple Choice

Quiz — Quiz

Question 10 • Quiz

Giuliana has 22 quarters and dollar coins worth a total of $⁢10.75. Which equation can be used to find d , the number of dollar coins Giuliana has?

Answer
A
d plus 0 point 2 5 times open paren d minus 22 close paren is equal to 10 point 7 5
B
0 point 2 5 times open paren 22 minus d close paren plus d is equal to 10 point 7 5
C
d minus 22 plus 0 point 2 5 d is equal to 10 point 7 5
D
0 point 2 5 d plus 22 minus d is equal to 10 point 7 5

Explanation

Each quarter is worth $0.25, and each dollar coin is worth $1. If Giuliana has d dollar coins, then she has 22 − d quarters because there are 22 coins altogether. The total value is therefore 0.25(22 − d) + d = 10.75, which is choice B.

AI-written and checked against the verified answer.