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The table shows the portion of some common materials that are recycled.
| Material | Recycled |
| Paper | \(\frac{5}{11}\) |
| Aluminium cans | \(\frac{5}{8}\) |
| Glass | \(\frac{2}{5}\) |
| Scrap | \(\frac{3}{4}\) |
(a) Is the rational number expressing the amount of paper recycled more than \(\frac{1}{2}\) or less than \(\frac{1}{2}\)?
(b) Which items have a recycled amount less than \(\frac{1}{2}\)?
(c) Is the quantity of aluminium cans recycled more (or less) than half of the quantity of aluminium cans?
(d) Arrange the rate of recycling the materials from the greatest to the smallest.
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