Question

11. Tionna has $4.00 in dimes and

quarters in her car. She
counts a total of 25 coins.
Define the variables and write
a system of equations that
could be used to find a
solution.

Answer 1

Let d be the number of dimes and a be the number of quarters.
0.1d+0.25q=4
d+q=25

Answer 2

Let
`d` be the number of dimes and
`q` be the number of quarters.

`\begin{cases} 0.10d=4.00 \\ d+q=25 \end{cases}`