Tom o tlhatswelela koloi ya gagwe ga 4 mo kgweding.  Fa tlhatswelokoloi nngwe le nngwe e ja $15 o duela bokae ka ngwaga?

Tom gets 4 car washes a month.  If each car wash costs $15 how much does he pay in a year?
O tlhatswelela koloi ya gagwe ga 4*12=<<4*12=48>>48 ka ngwaga
Go raya gore go ja  48*15=$<<48*15=720>>720
#### 720

He gets 4*12=<<4*12=48>>48 car washes a year
That means it cost 48*15=$<<48*15=720>>720
#### 720