Question

a. When a 500 rupees note was changed we got 20 rupees notes 50 rupees notes. Taking number of notes x and y. write an equational showing the total sum?

b. If the total number of notes is 13 from another equation?

c. Find the number of notes in each category? step by step answers plzzz

Answer 1

Answer:

Let the number of 5 rupee notes be x ,then The number of 10 rupee notes = 90 - x Then ,according to the question 5x + 10(90 - x) = 500 5x + 900 .