Question

The cost of 2 pens and 3 pencils is ₹ 45 and the cost of 3 pens and 4 pencils is ₹50. These can be expressed in the form of pair of linear equations (A) 3x+2y=45 (B) 2x+3y=45 (C) 2x+y=45 (D) 2x+3y=45 3x+4y=50 3x+4y=50 3x+y=50 2x+4y=50​

Answer 1

Answer:

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Step-by-step explanation:

let pencil be y,pen be x

then 2x+3y=45,3x+4y=50

Answer 2

Answer:

what can I more explain du.mb ?

Step-by-step explanation:

The process by which a substance moves from the liquid state to the gaseous state is called boiling. The temperature at which a liquid begins to boil is called the boiling point (bp). The bp is dependent on atmospheric pressure, but for water at sea level, it's 212°F, or 100°C.