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anonymous
 5 years ago
a cash register contains 18 quarters and dimes, find the total of the coins in the terms of quarters, q
anonymous
 5 years ago
a cash register contains 18 quarters and dimes, find the total of the coins in the terms of quarters, q

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sandra
 5 years ago
Best ResponseYou've already chosen the best response.0ok, so they're asking you for an equation that represent the relationship between quarters and dimes

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0so if there are 18 total coins, then we know that #quarters + #dimes = 18

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0so if d+q=18, then d+qd = 18d, and q=18d

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0that is, the number of quarters must be 18 minus however many dimes there are, since you know there are 18 coins and only those two types
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