A rectangular advertisement board has a length that is 60 cm more than its width
MATHEMATICS · Subjective · AoPS · Mathematics · Quadratic Equations - Part 2 · Quadratic Equations - Part 2
Problem
A rectangular advertisement board has a length that is 60 cm more than its width. The board’s area is 2.4 m2.
(i) Convert all the given measurements to the same unit and set up an equation in one variable representing the dimensions.
(ii) Solve the equation to find the dimensions of the board in centimetres.
(iii) Using your answer, calculate the cost of framing the board along its edges at the rate of ₹18 per metre.