Question

1)a) When a 500 rupee note was changed, we got Rs 20 notes and Rs.50 Notes. The total no.of notes is 13 Taking the number of notes as x and y, form the equations,
b) Find the no.of Rs. 20 notes and Rs.50 notes.
2)write the results of the operations below as decimals.
a)
$\sqrt{0.444}$
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Answer 1

Answer:

a) 20x+50y=500

Step-by-step explanation:

you can also say 20x+50y-500=0

Answer 2

Answer:

let the number of 5 rupees note be x, Then the number of 10 rupees note = 90 - x. Then, according to the question 5x + 10 (90 - x) = 500 5x + 900.

Step-by-step explanation:

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