Question

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

Answer:

5 rupee = 80

10 rupee = 10

Step-by-step explanation:

Let x be number of 5 rupee notes

Let y be number of 10 rupees notes

According to the question,

X+y = 90------ (1)

5x+10y=500. =. X+2y=100 ------ (2)

(2)-(1) = y=10

X= 80

There are 80, 5 rupees notes, 10, 10 rupee notes