Question

a sum of rs 500 is in the denominations of rs 10 and rs 20 if total notes are 35. find the no. of each denominations by linear equation in one variable method​

Answer 1

Answer:

Number of notes of denomination Rs 10 are 20

Number of notes of denomination Rs 20 are 15

Step-by-step explanation:

Let number of Rs 10 notes be X

So the number of Rs 20 notes = 35 - X

10 X + 20 ( 35 - X ) = 500

10X + 700 - 20X = 500

10X - 20X = 500 - 700

- 10X = - 200

10X = 200

X = 200 ÷ 10

X = 20

Number of notes of denomination Rs 10 are 20

Number of notes of denomination Rs 20 are

= 35 -X

= 35 - 20 .................... Putting the value of X

= 15

Answer 2

Answer:

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