Helena ke rasaense yo o tlhakanego tlhogo yo o tlhatlhobang popo ya gagwe ya bosheng, Lots-of-Limbs Serum. Serum e tla dira gore motho yo o e nwang a golele letsogo le le oketsegileng malatsi a le mararo mongwe le mongwe le leoto le le oketsegileng malatsi a le matlhano mongwe le mongwe. Morago ga malatsi a le lesome le botlhano, serum ya ga Helena e tla dira gore motho a golele ditho tse di kae tse di ntšhwa fa a e nwa? 

A tub of ice cream costing $13 is now sold at $11. A packet of milk was sold at a discount of $0.5. How much will you save if you buy 2 tubs of ice cream and 4 packets of milk?
Ka letsogo le le lengwe le le ntšhwa malatsi a le 3 mongwe le mongwe, morago ga malatsi a le 15, motho yo o nwang serum ya ga Helena o tla gola  15 / 3 = <<15/3=5>>5 matsogo a a oketsegileng.
Ka leoto le le lengwe le le ntšhwa malatsi a le 5 mongwe le mongwe, morago ga malatsi a le 15, motho o tla gola  15 / 5 = <<15/5=3>>3 maoto a a oketsegileng.
Ka kakaretso, motho yo o nwang serum ya ga Helena o tla gola 5 + 3 = <<5+3=8>>8 ditho tse di ntšhwa morago ga malatsi a le 15.
#### 8

The discount for each tub of ice cream is $13 - $11 = $<<13-11=2>>2.
So the discount for 2 tubs of ice cream is $2 x 2 = $<<2*2=4>>4.
The total discount for 4 packets of milk is $0.5 x 4 = $<<0.5*4=2>>2.
You will save $4 + $2 = $6 for 2 tubs of ice cream and 4 packets of milk.
#### 6