Frank Wants to Invest $7200 into Three Funds

Frank wants to invest $7200 into three funds. The amount he puts into Fund B and Fund C is two times the amount he puts into Fund A. Five times what he puts into Fund B and a fifth of what he puts into Fund C is 2 times what he puts into Fund A. How much does he invest into each fund?

A) $2500 in Fund A, $1000 in Fund B, and $3700 in Fund C
B) $2400 in Fund A, $800 in Fund B, and $4000 in Fund C
C) $2400 in Fund A, $1000 in Fund B, and $3800 in Fund C
D) $2500 in Fund A, $700 in Fund B, and $4000 in Fund C