240 coins
17% half dollars
83% quarters
Total value of $70.00
In the mixture
40 half dollars + 200 quarters
A total of 240 coins
Each pair of half dollars is $1.00
40/2 = 20 pairs or $20.00 = 40 * 0.50
Every 4 quarters is a dollar
200/4 = 50 or $50.00 = 200 *0.25
In your 240 coins you have 50 + 20 = $70.00 or 70 dollars
17% of your coin mix is half dollars (40*100)/240
83% of your coin mix is quarters (200*100)/240