7 An electronic bank teller registered $775 after it had counted 120 notes and $975 after it had counted 160 notes. a Fi
Posted: Wed Jul 13, 2022 5:08 am
7 An electronic bank teller registered $775 after it had counted 120 notes and $975 after it had counted 160 notes. a Find a formula for the sum registered ($C) in terms of the number of notes (n) counted. (Assume the formula connecting C and n is of the form C=an+b.) b Was there a sum already on the register when counting began? If so, how much?