Question

In order to give a souvenir table tennis ball to each participant in a youth table tennis tournament, a city recreation department needs to buy 48 white and 27 orange table tennis balls. Each box of table tennis balls contains 5 packages of balls and each package contains 2 white balls and 1 orange ball. If the balls are sold in whole boxes only, how many boxes of balls does the city recreation department need to buy?

Answer 1

6 boxes (add the cumulatively)
each box bas 5 pkgs so 10w,5o
1st box: 10w,5o
2nd box:20w,10o
3rd box:30w,15o
4th box:40w,20o
5th box:50w,25o
6th box:60w,30o
You need a min. of 48w and 27o