From a pair of linear equations in the following, and their solution graphically i) 5 pencils and 7 pens together cost ₹50, whereas 7 pencils and 5 pens together cost ₹46. Find the cost of one pencil and that of one pen
The midpoint of the sides of triangle ABCare the points D,Eand F. Given that the co-ordinates of D,Eand F are (5,1),(6,5) and (0,3), respectively find the co-ordinates of A,Band C