Lekgotla le kopane go tlhophela molao o moša. Tlhophiso e pasitse ka ditlhophiso tse di gapileng gabedi go feta tse di neng di le kgatlhanong le yone.  Fa e le gore go na le batho ba le 33 mo lekgotleng, ke ditlhophiso di le kae tse di neng di le kgatlhanong le molao o moša? 

Lorraine and Colleen are trading stickers for buttons. Each large sticker is worth a large button or three small buttons. A small sticker is worth one small button. A large button is worth three small stickers. Lorraine starts with 30 small stickers and 40 large stickers. She trades 90% of her small stickers for large buttons. She trades 50% of her large stickers for large buttons and trades the rest of them for small buttons. How many buttons does she have by the end?
A re re V ke palo ya ditlhophiso tse di kgatlhanong le molao o moša.
Go na le ditlhophiso tse di gapileng gabedi tse di eme nokeng, ka jalo V + 2V = 3V = 33.
Ka jalo, go na le V = 33 / 3 = <<33/3=11>>11 ditlhophiso tse di kgatlhanong le molao o moša.
Jalo he, go na le 2V = 2 * 11 = 22 ditlhophiso tse di eme nokeng molao o moša.
#### 22 

She trades 27 small stickers because 30 x .9 = <<27=27>>27
She gets 9 large buttons for these because 27 / 3 = <<27/3=9>>9
She trades 20 large stickers for large buttons because 40 x .5 = 20
She gets 20 large buttons for these because 20 / 1 = <<20/1=20>>20
She trades 50% of her large stickers for small buttons because 100 - 50 = <<100-50=50>>50
She trades 20 large stickers for small buttons because 40 x .5 = 20
She gets 60 small buttons because 20 x 3 = <<20*3=60>>60
She has 89 buttons at the end because 9 + 20 + 60 = <<9+20+60=89>>89
#### 89