Comparing Quantities

Question

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

Solution

(i) Here, 1 part out of 4 equal parts are shaded which represents the fraction $\frac{1}{4}$ .

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$\frac{1}{4} = \frac{1}{4} \times 100 % = 25 %$

(ii) Here, 3 parts out of 5 equal parts are shaded which represents the fraction $\frac{3}{5}$ .

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$\frac{3}{5} = \frac{3}{5} \times 100 % = 60 %$

(iii) Here, 3 parts out of 8 equal parts are shaded which represents the fraction $\frac{3}{8}$ .

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$\frac{3}{8} = \frac{3}{8} \times 100 % = \frac{300}{8} % = 37.5 %$