Question 697315
"3 out of 10 coins are dimes" and there are 100 total coins, so there are (3/10)*100 = 300/10 = 30 dimes


Therefore, there are 100 - 30 = <font color="red">70 nickels</font>


The total value of these 70 nickels is 70*0.05 = <font color="red">3.50 dollars</font>