Kwena e gola disentimetara di le 20 mo dingwageng di le 4.  Fa e ka tswelela ka selekanyo se, e tla bo e godile ka disentimetara di le kae mo dingwageng di le 13? 

The bananas at the supermarket cost $0.80 each, or a bunch for $3.00.  Jenny buys 10 bunches that average 4 bananas per bunch. How much money, in dollars, did she save by buying the bananas in bunches instead of individually?
Kwena e gola 20/4 = <<20/4=5>>5 disentimetara ka ngwaga.
Kwena e gola 13*5 = <<13*5=65>>65 disentimetara mo dingwageng di le 13.
#### 65

Ten bunches makes 10*3=$<<10*3=30>>30.
There are 10*4=<<10*4=40>>40 bananas.
40 bananas would cost 40*0.80=$<<40*0.80=32>>32 individually.
She saved 32-30=<<32-30=2>>2 dollars
#### 2