A storage box measures 25 cm by 12 cm by 10 cm and is completely filled with packing foam.
(a)Work out the volume of the box in cubic centimetres.(1)
(b)Express this volume in litres.(1)
(c)If foam is produced at a rate of 250 ml per second, how many seconds are needed to fill the box?(2)
(Total for Question 8 is 4 marks)