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?

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Mathematics

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11 October, 22:31

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?

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Answers (1)

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Marquise Haney · Answer 1

the starting amount would be the 550, because it doesn't have a variable assigned to it.

change per week is 20 since it is being multiplied by the number of weeks