Question

A girl pays Rs.16 for 2pens and 3 pencils .From a linear equation in two variables for the above data and represent it graphically.​

Answer 1

Step-by-step explanation:

Let the no. if pens be x and the no. of pencils be y respectively , formulating it as an equation,

2x+3y=16

Solution of this equation for(x,y) are:

5,2

8,0

etc. and then plot these points on the graph

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Answer 2

Answer:

let the cost of one pen is x then cost of 2 pens is 2x and the cost of 1 pencil is y then cost of 3 pencils 3y then the sum of both is $16 then 2x+3y=16