Question

I want to understand how it happenns
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Answer 1

Answer:

ans

Step-by-step explanation:

we shouldn't add whichever amount is leftover. because from Rs.60 we spend 30 and from Rs .30 we spend 18

we dont spend Rs. 18 from overall Rs. 100

hope this helps u thank u

Answer 2

Step-by-step explanation:

add the 'kharach' don't add 'bache' its a brain trick the amount kharach is 100 only, MORAL: use brain before listening to others.