Question

Akriti went to market to purchase pen or pencil.The cost of one pencil ₹2 and cost of a pen is ₹4.If she spent ₹50 on 14 items,how many pen or pencil she purchased​

Answer 1

Answer:

No: of pencils = 3

No: of pens = 11

Step-by-step explanation:

Let no: of pencils be ' x '

Let no: pens be ' y '

x + y = 14 ( She bought a total of 14 items .)

2x + 4y = 50 ( She paid a total of 50 Rs .)

⇒

x + 2y = 25

By Elimination method ,

x + y = 14

x + 2y = 25

- y = - 11

∴ y = 11

∴ x = 3

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