mathematics solving
how about when you buy street food? (most food vendors do not make a mistakes in giving your change after buying a grilled hotdog on a stick for example with out using calculator)
english explanation
how about when you buy street food? (most food vendors do not make a mistakes in giving your change after buying a grilled hotdog on a stick for example with out using calculator)
english explanation
Answers & Comments
Food Vendors manually calculating in their mind your change. So its guaranteed exact amount of change. They also check the money you give and the food you buy.
Step-by-step explanation:
hope it helps!