Question

In a bag there are 5 rupee notes and some 10 rupee notes the total amound of these notes is rupee 1300 The numeber of 10 rupee notes is less by 20 than twice the number of 5 rupee notes find the number of each typr of the notes


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Answer 1

Answer:

₹5 notes are 60

Step-by-step explanation:

₹10 notes are 100

Equation to get ans :

(X*5)+((2x-20)*10)=1300

Where x is the number of ₹5 notes

No. Of ₹10 notes = 2x-20

PLEASE MARK THE BRAINLIEST

Answer 2

Step-by-step explanation:

5 rupee note = x

10 rupee note = y

Condition:

$y = 2x - 20 \\ 5x + 10y = 1300 \\ \\ 5x + 10(2x - 20) = 1300 \\ 5x + 20x - 200 = 1300 \\ 25x = 1100 \\ x = 44$

5 rupee notes are 44

$y = 2(44) - 20 \\ y = 88 - 20 \\ y = 68$

10 rupee notes are 68