Mathematics, 17.12.2019 06:31 mpete1234567890
Keiko is putting money into a checking account. let y represent the total amount of money in the account (in dollars). let x represent the number of weeks keiko has been adding money. suppose that x and y are related by the equation =20x+550=y .
* note that a change can be an increase or a decrease. for an increase, use a positive number. for a decrease, use a negative number.
what was the starting amount of money in the account?
what is the change per week in the amount of money in the account?
Answers: 3
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