Question

If 1kg sugar costs 45 rupees if the customer asked you that me sugar 39 rupees only in that case how much sugar you going to give him and I mean grams

Answer 1

Here is your answer
RS 45 cost sugar =1Kg
RS 1 cost sugar =1000/45. 1Kg =1000gram
RS 39 cost sugar =1000x39/45
=866.66gram

so we give you ,867 gram of sugar

Hope it helps you