HELP ASAP!!!
The fee for a balance transfer is 3% of the amount of the transfer. If b represents the amount of the balance transfer and ƒ represents the amount of the fee, which of the following equations represents the relationship between b and ƒ?

b = 0.3ƒ
ƒ = 0.03b
b = 0.3 + ƒ
ƒ = b + 3