The cost price of a box and a pen is Rs80.The box is sold at 10% profit and the pen is sold at 10%loss. If the selling price of the box is Rs28 more than that of the pen, calculate the profit or loss percent in the whole. can anyone solve it practical in copy or page. plz​

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet