Solve this problem on paper using all four steps.

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?

They sold___boxes the first week,___boxes the second week, and___boxes the third week.

Question

Solve this problem on paper using all four steps. 

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? 

They sold___boxes the first week,___boxes the second week, and___boxes the third week.

sweetburger · Answer

x = first week
y = x+5 = second week
z = 2(x+5) = third week

x+y+z = 431 therefore we substitue
x + (x+5) + 2(x+5) = 431 solve for x and then plug that value back into the 3 orginial equations above to see how many boxes of cookies were sold each week

sweetburger · Answer

Gaben would approve these kind of sales

anonymous · Answer

thanks for the explanation :) and what sales?

anonymous · Answer

besides something that haves that number i cant think of

sweetburger · Answer

ahh nm was a dumb reference

anonymous · Answer

well sorry if i diddnt catch it

anonymous · Answer

ugh no

sweetburger · Answer

alrighty lord gaben take care