Posted by **Monica** on Wednesday, October 24, 2012 at 2:17pm.

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 boxes of cookies, how many did they sell each week?

- Algebra 1 -
**Tom**, Wednesday, October 24, 2012 at 2:32pm
Say x is the number of boxes sold in week 1, then:

Boxes in week 1: x

Boxes in week 2: x + 5

Boxes in week 3: 2x + 10

Total boxes = 4x + 15

4x + 15 = 431

x = 104

So in week 1 there was sold

x = 104

in week 2:

x + 5 = 109

in week 3:

2x + 10 = 218

- Algebra 1 -
**Monica**, Wednesday, October 24, 2012 at 2:41pm
Yea i juss did the problem on paper an got the same answer. Thank yu :)

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