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Mathematics 13 Online
OpenStudy (anonymous):

Marie has $830 in her bank account and withdraws $60 each month. Denise has $970 in her bank account and withdraws $80 each month. In how many months will Marie and Denise have equal amounts of money in their accounts? A.4 B.5 C.7 D.9

OpenStudy (cj49):

110.650,590,350

OpenStudy (shinalcantara):

since you're looking for the time when their money left is equal, then let x be the number of months 830-60x=970-80x now solve for x

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