Question

In an envelope there are some 5 rupee notes and some 10 rupee notes. Total amount of these notes together is 350 rupees. Number of 5 rupee notes are more by 10 than number of 10 rupee notes. Then find the number of 5 rupee and 10 rupee notes. By Elimination method​

Answer 1

Answer:

I think

Step-by-step explanation:

30 10rupeesof note

50. 5 rupees of note

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Answer 2

Step-by-step explanation:

let x be the number of ₹5 notes and y be the number of ₹10 notes.

according to question

x+10=y

x-y=10 (1)

and again

5x+10y=350 (2)

Multiplying eq (1) by 5

we have,

5x-5y=50(3)

Subtracting eq3 from eq²

5x + 10y= 350

-5x - 5y= 50

15y= 300

y= 300/15= 20

putting the value of y in eq 1

x-y= 10

x-20= 10

x= 10+20= 30