The arena car park is shown belowseveral triangular prisms the B or C? --------------------------- QUESTION 2 What is the volume
in metres of the speaker below? Volume of a cuboid: V = l x h x w ( SEE DIAGRAM) The volume of the speaker is ? m3? ------------------------------------ QUESTION 3: What is the missing width of the speaker below when its volume is 30,000 cm3 ? (SEE DIAGRAM) The missing width of the speaker is how many cms? ----------------------------------- QUESTION 4: The arena has several triangular prisms that are used as advertising boards. They are to be filled with sand so they cannot easily be moved. (SEE DIAGRAM) What is the volume of sand needed to fill one in m3?
multiply 3,000 by 0.03 which will get you 90 which is 3% of that for one year and for two years you just multiply 90 by 2 and get 180. subtract 180 from 3,000
