Question

a sum of rupees 2,000 is in the domination of rupees 50 and rupees 10 notes if the total number of nodes is 80 find the number of notes of each type​

Answer 1

Answer:

2,042

Step-by-step explanation:

2,000+50+10=2,060

2,060-80=1,980

Answer 2

Answer:

30 and 50 respectively

Step-by-step explanation:

Total nodes = 80

Let the number of rs. 50 notes be x

∴ number of rs. 10 notes will be (80 - x)

According to Question,

   50(x) + 10(80 - x) = 2000

⇒ 50x + 800 - 10x = 2000

⇒ 40x + 800 = 2000

⇒ 40x = 1200

⇒ x = 1200 / 40 = 30

∴ No. of Rs. 50 notes = 30

  No. of Rs. 10 = 50

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