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