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Mathematics 14 Online
OpenStudy (anonymous):

Suppose you have just enough money, in coins, to pay for a gallon of milk priced at $2.40. You have 12 coins, all quarters and dimes. Let q equal the number of quarters and d equal the number of dimes. Which system models the given information?

OpenStudy (anonymous):

q*0.25 + d*0.10 = 2.40 q+d = 12

OpenStudy (anonymous):

how did you get that answer?

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