Question

A sum of rupees 500 is in the form of denominations of rupees 5 and rupees 10 if the total numbers of notes is 90 find the number of notes of each type

Answer 1

Answer

Given,

• Sum of rupees got from 5 and 10 rupees note = 500
• Total numbers of notes = 90

To find,

• Note of each type

Solution ,

Let the number of 5 rupees note be 'x'

Let the number of 5 rupees note be 'x' Let the number of 10 rupees note be 'y'

According to the question :

⇛ 5(x) + 10(y) = 500

Dividing the equation by 5 we get,

⇛ x + 2y = 100 ----------(1)

Also,

⇛ x + y = 90 -----------(2)

Subtracting (2) from (1) we get ,

⇛ y = 10

Putting y = 10 in (2) we get,

⇛ x = 80

Hence number of 5 rupees note wilk be 80 and number of 10 rupees note will be 10

Answer 2

Step-by-step explanation:

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