Christopher and Jonathan were having bets. They decide that a coin will be flipped twenty times and each time it turns heads, Christopher will give $2 to Jonathan and each time it turns out to be Tails, Jonathan will give 3$ to Christopher. After flipping for twenty times none of the both won or lost any amount.
How many times did the coin landed on Heads ? Choose the correct choice from the following answers:
A) 10	B) 23	C) 16	D) 18	E) 12
The amount won and lost by both is equal.   Thus 2x = 3(20-x) --- x in the number of times heads came   X = 12
<result>E</result>
Christopher and Jonathan were having bets. They decide that a coin will be flipped twenty times and each time it turns heads, Christopher will give $2 to Jonathan and each time it turns out to be Tails, Jonathan will give 3$ to Christopher. After flipping for twenty times none of the both won or lost any amount.
How many times did the coin landed on Heads ?