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?

Question

Mathematics

Sage Duke

25 August, 10:39

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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Mario · 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