Question

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

Answer 1

Answer:

80 notes of ₹5 and 10 notes of ₹10

Step-by-step explanation:

let the no. of ₹5 notes be x

no. of ₹10 =(90- x)

5x+10(90-x)=500

5x+900-10x=500

-10x+5x=500-900

-5x=-400

x=-400/-5

x=80

No of ₹5 notes os 80 and no₹10 notes is 90-x=10