Question

let cost of a pen and pencil bers x and y.a girl pays rs 15 for a pen and 2 pencils.write the given data in form of alinear equation in two variables.also represent it graphically'

Answer 1

pen cost price=x and pencil cost price=y
a/c x+2y=15 -------(1)
graph is in first quadrant which slope is 1/2 , cut x-axis (15,0) and y-axis (0,15/2)
know I hope you can draw the graph