Laura has $4.50 in dimes and quarters. She has 3 more dimes than quarters. How many quarters does she have?
1 Answer
Jun 2, 2015
Let's name
A dime is $0.1 and a quarter is $0.25
Thus :
And we know that she has 3 more dimes than quarters
Thus :
We just replace the value of a in the equation :
We can now get
We can now verify :
And