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BECE Mathematics 2024 Paper

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Question : 8

Total: 40

Andrews drew three lines such that the length of the first one is 10 cm , the second is 15 cm longer than the first one and the third is 9 cm less than the second. Find the length of the third line.

4 cm
14 cm
34 cm
16 cm

Solution:

First length

=10\,\text{cm}

The second is 15 cm longer than the first one

Second length

=

First length +15 cm

Second length

=10\,\text{cm}+15\,\text{cm}

Second length

=25\,\text{cm}

The third is 9 cm less than the second

Third length = Second length -9 cm

Third length

=25\,\text{cm}-9\,\text{cm}

Third length

=16\,\text{cm}

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