A certain purse contains 30 coins, Each coin is either a nickel or a quarter. If the total value of all coins in the purse is 4.70$, how many nickels does the purse contain? Select the correct option:
A) 12	B) 14	C) 16	D) 20	E) 22
I picked a starting point and then kept ballparking until i hit the right answer   $4.70 - 6 quarters = $3.20. this would be 6 quarters and 64 nickels, WAY more than 30 so we need a lot more quarters   $4.70 - 16 quarters = $0.70 this would be 16 quarters and 14 nickels, 30 coins!   14 nickels! ANS=14
<result>B</result>
A certain purse contains 30 coins, Each coin is either a nickel or a quarter. If the total value of all coins in the purse is 4.70$, how many nickels does the purse contain?