SOLUTION: a girl scout troop sold cookies. if the girls scouts sold 5 more boxes the second week then they did the first week, and if they doubled the sales of the second week the third week
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Question 84770: a girl scout troop sold cookies. if the girls scouts sold 5 more boxes the second week then they did the first week, and if they doubled the sales of the second week the third week to sell a total of 431 boxes of cookies how many did they sell each week Answer by dolly(163) (Show Source):
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let the number of boxes sold in the first week = x
Then the number of boxes sold in the second week = x+5
the number of boxes sold in the third week = 2(x+5)
Total the number of boxes sold = 431
==> x + x+5 + 2(x+5) = 431
==> x + x + 5 + 2x + 10 = 431
==> 4x + 15 = 431
==> 4x = 431 - 15
==> 4x = 416
==> x = 416/4
==> x = 104
the number of boxes sold in the first week = 104
the number of boxes sold in the second week = 104 + 5 = 109
the number of boxes sold in the third week = 2(109) = 218
Good Luck!!!
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