Question

in an envelope there are some 5 rupee notes and 10 rupee notes. Total amount of these notes together is 350 rupees . Number of 5 rupee notes iare less by 10 than twice
number of 10 rupee notes. Than find number of 5 rupee notes and 10 rupee notes
What equation will be formed

Answer 1

hope this answer helps you

Answer 2

Let number of 10 rupee notes=X then number of 5rupee notes=2x-10
The total amount is 350rupees
Therefore the equation for total rupees is:10x+10x-50=350
20x-50=350
20x=400
X=20
10rupee notes are 20
5 rupee notes are 30