Question

The sum of Rs 9000 is in the form of denominations of Rs 100 and Rs 500. If the total
number of notes is 50, find the number of notes of each type.​

Answer 1

Denominations of Rs 100 = x

Denominations of Rs 500 = y

x + y = 50

x = 50 - y

100(50-y) + 500y = 9000

5000 - 100y + 500y = 9000

400y = 4000

y = 10

Denominations of Rs 100 = x = 40

Denominations of Rs 500 = y = 10

Answer 2

Answer:

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