3. The rectangular long jump pit at the school is 2,75 m wide and 9 m long and is filled with sand. 0,07 m 2,75 m 3.1 Calculate the volume of sand needed to fill the long jump pit to a depth of 0,07 m. Give the answer rounded off to THREE decimal places. Use the formula: Volume = length x breadth x height (3) 3.2 On 18 October 1968, Bob Beamon set the world long jump record when he jumped a distance of 8,90 m. This record was only broken on 30 August 1991. After how many years (rounded off to the nearest year) was Bob Beamon's record broken? (3)