Question

the cost of a pencil is Rs. 4 and one ball pen costs Rs.30. sitha pays Rs.200 for the pencils and pens she purchased .express the above statement as a linear equation in one variables

Answer 1

If 1pen is 4r

1 ball pen is 30r

Therefore 200/30+4 = 5.58

There for expressing as a linear equation =5.58x + 5.58y = 200