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Jennifer receives $100 and puts it into her savings account. She adds $0.25 to the account each day for a number of days, d, after that. She writes the expression 100 + 0.25(d – 1) to find the total amount of money in her savings account after d days. Which statement about her expression is true?


A: It is the sum of the initial amount and the additional amount after d days.

B:It is the product of the initial amount and the additional amount after d days.

C:It is the sum of the initial amount and the number of days, d.

D:It is the difference between the initial amount and the additional amount after d days.

Respuesta :

This would be A because $100 is the initial amount, and you are adding the amount that arises after (d) days. Since you are adding, it will be the sum. B says product, so you can rule it out. D says difference, so you can rule that out as well. C would be adding the days, not the amount earned each day.

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