Write $$\(\frac{24}{40}\)$$ as a fraction in its simplest form. (2) (b) Write $$\(\frac{1}{5}\)$$ as a decimal. (1) There are only blue bricks and white bricks in a box. The ratio of the number of blue bricks to the number of white bricks is $$\(3: 7\)$$ (c) What fraction of the bricks in the box are blue bricks? (1) (d) Show that $$\(\frac{3}{8}+\frac{1}{24}=\frac{5}{12}\)$$ (2) There are 280 counters in a bag. $$\(\frac{1}{2}\)$$ of the counters are red. $$\(\frac{2}{5}\)$$ of the counters are yellow. The rest of the counters are green. (e) Work out the number of green counters in the bag. (3)

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