Question

A sum of ₹500 is in the form of notes of denominations of ₹5 and ₹ 10. If the total number of notes is 90, find the number of notes of each type.
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Answer 1

Answer:

10 notes = 90-x = 90-80 = 10

Step-by-step explanation:

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Answer 2

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+900−10x=500

5x=400

x=80

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