Two sisters open saving accounts with $60 each that their grandmother gave them. The first sister adds $20 each month to her account. Her sister adds $40 every two months to her $60. If the sisters continue to make deposits at the same rate, when will they have the same amount of money?

Question

Haley Pratt

Mathematics

11 January, 08:12

Two sisters open saving accounts with $60 each that their grandmother gave them. The first sister adds $20 each month to her account. Her sister adds $40 every two months to her $60. If the sisters continue to make deposits at the same rate, when will they have the same amount of money?

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Answers (1)

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Brett Green · Answer 1

Month 1

Sister 1; 60 / Sister 2; 60

Month 2

Sister 1; 80 / Sister 2; 60

Month 3

Sister 1; 100 / Sister 2; 100

On month 3 the should both have $100 in their accounts.