Question

I have 2000 in my purse .if the number of 100 rupee notes is 2 more than the number of of 500 rupee notes,how many of each type I have​

Answer 1

Answer:

I have 3 notes of 500rs

& 5 notes of 100rs

3×500=1500

5×100=500

so, 1500+500=2000

Hope it helps you..

Answer 2

Answer:

$let \: the \: number \: of \: 500\: rupee \: notes \: be \: x \\ number \: of \: 100 \: rupee \: notes = x + 2 \\ \\ \\ 500(x) + 100(x + 2) = 2000 \\ = 500x + 100x + 200 = 2000 \\ = 600x = 1800 \\ x = \frac{1800}{600} = 3$

I HAVE 3 NOTES OF 500

AND 3+1=4 NOTES OF 100