There are 18 boxes on a shelf. (a) How many boxes in total can be kept on the shelf without leaving any space? (b) If the length and height of the shelf are doubled, how many boxes can be kept on the shelf now without leaving any space? (c) If the length is halved and height of the shelf is doubled, how many boxes can be kept on the shelf now without leaving any space? (d) If the length is doubled and height of the shelf is halved, how many boxes can be kept on the shelf now without leaving any space? [4 MARKS]

There are 18 boxes on a shelf. (a) How many boxes in total can be k

1.	There are 18 boxes on a shelf. (a) How many boxes in total can be kept on the shelf without leaving any space? (b) If the length and height of the shelf are doubled, how many boxes can be kept on the shelf now without leaving any space? (c) If the length is halved and height of the shelf is doubled, how many boxes can be kept on the shelf now without leaving any space? (d) If the length is doubled and height of the shelf is halved, how many boxes can be kept on the shelf now without leaving any space? [4 MARKS]
Answer» There are 18 boxes on a shelf. (a) How many boxes in total can be kept on the shelf without leaving any space? (b) If the length and height of the shelf are doubled, how many boxes can be kept on the shelf now without leaving any space? (c) If the length is halved and height of the shelf is doubled, how many boxes can be kept on the shelf now without leaving any space? (d) If the length is doubled and height of the shelf is halved, how many boxes can be kept on the shelf now without leaving any space? [4 MARKS]

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