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BECE Mathematics 2010 Paper

Question : 12

Total: 40

Solution:

Ratio of ages

Esi:Kwasi = 12:8

Note: 4 divides 12, 3 times and 8, 2 times.

Esi:Kwasi = 3:2

The sum of ratios represent the total mangoes shared.

Sum of ratios

=3+2

Sum of ratios

=5

Esi's ratio = 3

Use proportionality to find Esi's share.

5=60

3=\;\frac{3 \times 60}{5}

Note:

1. 5 divides itself 1 and 60, 12 times

3 \times 12=36

Esi got 36 mangoes

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