*>>HH(FG(HH(d'@2424L h`R Instructor needs: bucket of sand, 3" x 3" x 3" Inside diameter open cube.  $55 per cubeLn h  %Activity: Pour a model concrete slab. HEquipment: Yard stick, one foot ruler, tag board or construction paper,  masking tape.  Statement of the Problem: > The average full sized car is 6 feet wide and 18 feet long.  c. Order your concrete to the nearest quarter yard and pour slab. FCalculations: a. Calculate the volume of your slab in cubic feet and convert to cubic yards. ( b. Calculate the cost of the concrete.< c. If your slab was one inch thicker, how much more would it cost?