Answer:
The number of dimes is <u>14</u> and the number of quarters is <u>7</u>.
Step-by-step explanation:
Given:
Emily has $3.15 worth of dimes and quarters.
<em><u>She has twice as many dimes as quarters.</u></em>
Now, to determine the number of dimes and the number of quarters.
Let the number of quarters be
And the number of dimes be
So, the total worth of dimes and quarters = $3.15.
Now, to get the number of dimes and quarters:
According to question:
<em>Dividing both sides by 0.45 we get:</em>
<em>Thus, the number of quarters</em> = 7.
<em>So, the number of dimes</em> =
Therefore, the number of dimes is 14 and the number of quarters is 7.