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BECE Mathematics 2014 Paper

Question : 35

Total: 40

Solution:

Concept:

To find the number of equal pieces, divide the total length by the length of one piece.

Make sure both lengths are in the same unit before dividing.

Explanation:

Total length of string

= 3.6\,\mathrm{m}

Length of each piece

= 40\,\mathrm{cm}

Convert metres to centimetres:

1\,\mathrm{m} = 100\,\mathrm{cm}

So,

3.6\,\mathrm{m} = 3.6 \times 100 = 360\,\mathrm{cm}

Number of pieces

= \dfrac{360\,\mathrm{cm}}{40\,\mathrm{cm}} = 9

Therefore, 9 pieces of 40 cm each can be cut from the string.

Answer:

D. 9

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