Leonardo will pay $484 to three different credit cards: Expert Card, Passport, and US Speedy. He will pay four times as much to Expert Card as US Speedy since it has a higher balance. He also expects the Passport payment to be only 10% of the total of the other two payments. How much will Leonardo pay towards the Passport credit card balance?
a.) $88.00
b.) $48.40
c.) $352.00
d.) $44.00