If evan has 10 dimes and quarters in his pocket, and they have combined value of 190 cents, how many of each coin does he have?
1 Answer
6 quarters and 4 dimes.
Explanation:
To solve this problem in two variables (dimes and quarters) it is necessary to write two equations.
The first equation is dimes + quarters =
The second equation is
Now it is clear then dimes =
This gives
Now
so
now subtract
giving
If there are
Total = $1.90