Question

cost of 3kg apples and 3kg oranges is rs.270. let the cost of 1kg apple be rs.x and 1kg of oranges is rs.y. write the given data in form of linear equation in two variable

Answer 1

cost of 1kg apples = Rs.x and cost of 1kg oranges = Rs.y
3x + 3y = 270
3(x+y = 90)
x+y = 90