Estimate what part of the figures is coloured and hence find the per cent which is coloured

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Solution

REF. Fig 1
Percentage $= \frac{25}{100} \times 100$
$= \frac{1}{4} \times 100$
$= 25 %$

REF. Fig 2
Percentage $= \frac{3}{5} \times 100$
$= 60 %$

REF. Fig 3
Percentage $= \frac{3}{8} \times 100$
$= 37.5 %$

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