PSLE Betty had a rectangular piece of paper, 60 cm by 39.4 cm. She cut out as many squares as possible from the paper. The side of each square was 5 cm.
- How many squares did Betty cut out?
- What area of the paper was left?
(a)
Number of squares that can be cut out breadthwise
= 39.4 ÷ 5
= 7 r 4.4
Number of squares that can be cut out lengthwise
= 60 ÷ 5
= 12 r 0
Total number of squares
= 12 x 7
= 84
(b)
Remaining breadth of the paper left = 4.4 cm
Area of the paper left
= 60 x 4.4
= 264 cm
2 Answer(s): (a) 84; (b) 264 cm
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