A girl scout troop sold cookies. if the girls sold 5 more boxes the second week than they did the first, and if they doubled the sales of the second week for the third week to sell a total of 431 cookies, how many did they sell each week ?

1 answer
Question:

a girl scout troop sold cookies. if the girls sold 5 more boxes the second week than they did the first, and if they doubled the sales of the second week for the third week to sell a total of 431 cookies, how many did they sell each week ?

Answers

Answer:wk. 1 : 104, wk. 2 : 109, wk.3 : 218Step-by-step explanation:x = 1st week, y = 2nd week, z = 3rd weekx + y + z = 431y = x + 5.........y - 5 = xz = 2y(y - 5) + y + 2y = 4314y - 5 = 4314y = 431 + 54y = 436y = 436/4y = 109 <==== week 2z = 2yz = 2(109)z = 218 <==== week 3x = y - 5x = 109 - 5x = 104 <==== week 1

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