Contemporary Mathematics for Business & Consumers 8th Edition by Robert Brechner,Geroge Bergeman

تمرين 136

A medical insurance policy requires Ana to pay the first $100 of her hospital expense. The insurance company will then pay 80% of the remaining expense. Ana is expecting a short surgical slay in the hospital, for which she estimates the total bill to be about $4,500. How much will Ana's portion of the bill amount to