Question

A sum of 500 rupees in the from of denominator of 5 rupees and 10 rupees. If the total number of notes is 90.find the number of notes of each types​

Answer 1

☞Explanation

Let the number of 5 rupee notes be x,then

• The number of 10 rupee notes =90−x

Then,

5x+10(90−x)=500

5x+900−10x=500

• 5x=400

• x=80

There are 80 notes of Rs.5 and 10 notes of rupees 10

❥ $\huge\frak\pink{thnks!}$

Answer 2

Let the number of 5 rupee notes be x,then

The number of 10 rupee notes =90−x

Then,

5x+10(90−x)=500

5x+900−10x=500

5x=400

x=80

There are 80 notes of Rs.5 and 10 notes of rupees 10

please mark upper answer as brainest