Question

i have some ten rupees notes and hundred rupees notes total amount i have is rupees 450 the number of notes are interchanged i should have 20% more than previous amount findout the notes i have

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Answer 1

Answer:

540

Step-by-step explanation:

20% of 450 = 90

450 + 90 = 540

Answer 2

if I have X peaces 10 rupees notes and Y peaces 100 rupees notes and than you get an equation

10x+100y:-450

after you inter change the number of notes

than you get an equation

100x+10y:-540

and solved it easily