Question

A boy pays rs 20 for 2 pen and 3 pencil. Express it in linear equation in 2 variable graphically. Also find the cost of 1 pencil from the graph

Answer 1

if we take cost of one pen as x and cost of one pencil as y then the equation will be 2x+3y=20.
now, it will be easy for you to plot the points in the graph