Question

sum of 500r is in the form denominations of 5and 10.if total number of notes is 90find the number of notes of each denomination​

Answer 1

Answer:

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

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Lets assume you have x notes of rs 5 and y notes of rs 10. So you have

x+y =90

And 5x+10y=500.

Puting x=10-y in 2nd equation you have

5(90-y)+10y=500.

450–5y+10y=500

5y=500–450

y=50/5=10.

Hence x=90–10=80.

So ans is 80 notes of rs 5 and 10 notes of 10.

Step-by-step explanation:

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

When will Lunchclub be active in New Delhi?

Lunchclub is now virtual and finally open to users in New Delhi! Network from home and make relevant connections locally and glob

Lets assume you have x notes of rs 5 and y notes of rs 10. So you have

x+y =90

And 5x+10y=500.

Puting x=10-y in 2nd equation you have

5(90-y)+10y=500.

450–5y+10y=500

5y=500–450

y=50/5=10.

Hence x=90–10=80.

So ans is 80 notes of rs 5 and 10 notes of 10.

Answer 2

Lets assume you have x notes of rs 5 and y notes of rs 10. So you have

x+y =90

And 5x+10y=500.

Puting x=10-y in 2nd equation you have

5(90-y)+10y=500.

450–5y+10y=500

5y=500–450

y=50/5=10.

Hence x=90–10=80.

So ans is 80 notes of rs 5 and 10 notes of 10.

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