Question

a girl says rupees 16 for 3 pen and one pencil write the given data in form of a linear equation in two variables assuming the cost of a pen be rupees X and the cost of a pencil be rupees y representing the data graphically​

Answer 1

₹16 for 3 pens , 1 pencil

pen = ₹x , pencil = ₹y

then...linear equation = ₹3x+₹y=₹16

= 3x+y=16