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anonymous
 one year ago
Sarah and Brian went shopping and spent a total of 47.50 brian spent 15.50 less than sarah how much did brian spend
anonymous
 one year ago
Sarah and Brian went shopping and spent a total of 47.50 brian spent 15.50 less than sarah how much did brian spend

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.0you could do it this way let brian spend x and Sarah spend y dollars so we have the equation x + y = 47.50

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0and since Brian spent 15.50 less than Sarah y  x = 15.50

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0now solve this system; x + y = 47.50 y  x = 15.50

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0Hint: add the 2 equations to get an equation in y only solve this to get what Sarah spent. Then find brians amount by subtracting 15.50 from Sarah's.
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