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Sandra has a rectangular piece of paper.
It has a length of 72 cm and a breadth of 48 cm.
She wants to cut it into smaller rectangles of dimensions 3.2 cm by 4 cm.
(a) What is the maximum number of such smaller rectangles that she can obtain?
(b) Will there be any wastage ?(Indicate 'y' for yes and 'n' for no)
Notes to students:1. If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12