High School

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The cost of the computer is $689. She has saved $125, and each week she adds $25 to her savings. How many weeks will it take her to save enough money to buy the computer?

Answer :

Final answer:

To determine the number of weeks it will take the student to save enough money to buy the computer, subtract the amount saved from the computer cost and divide by the amount saved each week.

Explanation:

To determine the number of weeks it will take her to save enough money to buy the computer, we need to subtract the amount of money she has already saved from the cost of the computer, and then divide the result by the amount of money she saves each week.



In this case, the cost of the computer is $689, she has saved $125, and she adds $25 each week. So, the amount of money she needs to save is $689 - $125 = $564. And the number of weeks it will take her to save that amount is $564 / $25 = 22.56 weeks.



Since we can't have a fraction of a week, we round up to the nearest whole number. Therefore, it will take her 23 weeks to save enough money to buy the computer.

Learn more about Saving money here:

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