Question

I have 100 rupees.I spend 40 rupees and 100-40=60 rupees. I spend 30 rupees and 60-30= 30 rupees. I spend 18 rupees and 30-18=12 rupees .I spend 12 rupees and 12-12=0 rupees.Then if I add how much total amount 102 , how it is possible

Answer 1

Answer:

your addition is wrong

Explanation:

$12 + 18 + 30 + 40$