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Percentage of a quantity

Stuck? Read the notes

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Without using a calculator, find the following percentage quantities

1. 10% of 410 cm
2. 20% of 260 kg
3. 15% of 450 g
4. 35% of 300 km
5. 4% of 1600 m
6. 95% of 240 s

Use a calculator to find:

7. 94% of 680 cm
8. 60% of 510 m
9. 27% of 9300 s
10. 81% of 74 kg
11. 35% of 810 g
12. 48% of 71 km

I win £186000 on the lottery and give 48% to my family

13. How much money do I give away?