Logan saves the same amount of money each month for college. His current total savings is 300m2 + 120m + 180 dollars. Which factorization could represent the number of months and amount of a monthly deposit in dollars?

Factor out 60 from the total: 300m² + 120m + 180 = 60(5m² + 2m + 3). The factor 60 can represent the number of months, and the expression in parentheses represents the monthly deposit in dollars. Therefore, the correct choice is D, 60(5m² + 2m + 3).

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