Question

A sum of 500 is in the form of denominations of 35 and 10. If the total number of
notes is 90 find the number of notes of each denomination
(Hint: let the number of 5 rupee notes be *x, then number of 10 rupee notes=90-x)​

Answer 1

Answer:

80 notes of rs 5 and 10 notes of rupees 10

acc to ques

5x+10(90-x)=500

5x+900-10x=500

10x-5x=900-500

5x=400

x=400/5=80

and (90-x)=(90-80)=10