Mathematics

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?


Answers

dalmayshuns101

4 years ago Comment

Week 1 = B
Week 2 = B + 5
Week 3 = 2(B + 5)Week 1 + Week 2 + Week 3 = 431B + (B + 5) + 2(B + 5) = 431
B +B + 5 + 2B + 10 = 431
4B + 15 = 431
4B = 416
B = 104Week 1 = 104
Week 2 = 104 + 5
Week 3 = 2(104 + 5)Week 1 = 104 boxes
Week 2 = 109 boxes
Week 3 = 218 Boxes