Question

anisha wants to exchange Rs.1000 in two type of notes Rs. 50 and Rs. 10 denominations . If ahe got 40 notes in all , find the number of notes in each denominations .​

Answer 1

Answer:

Hey! Here is your answer...........

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Let the no. of notes of rupees 20 = x

The no. Of notes of rupees 5 = y

Condition 1 :-

x+y=30........................................(l)

Condition 2 :-

20x+5y=300

By dividing the above equation by 5

4x+y=60...................................(ll)

By subtracting equation (l) and (ll)

-3x=-30

3x=30

x=30/3

x=10

Hence, the number of notes of rupees 20 = 10

Place x=10 in equation (l)

x+y=30

10+y=30

y=30-10

y=20

Hence, the number of notes of rupees 5 = 20

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Answer 2

Answer:

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