Miss Joplin is planning the resources for a maths lesson. She needs... 1 ruler per pupil plus 4 spare 2 pieces of dotty paper per pupil 5 pieces of card per pupil plus 6 spare. Write down formulae for the number of rulers (r) and the amount of dotty paper (d) and card (c). Use p for the number of pupils. r = d = C [6] There are 19 pupils in the class. How many of each item does Miss Joplin need? r d = C = [3]