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Using decimal multipliers in percentage calculations

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What decimal multiplier would you use in order to find the following percentages of an amount?

1. 55%
2. 25%
3. 50%
4. 17%
5. 4%
6. 6%
7. 30%
8. 41%

By using decimal multipliers and a calculator, find:

9. 6% of 16 kg
10. 60% of 254 m
11. 31% of 238 g
12. 7% of 61 cm
13. 77% of 258 km
14. 38.5% of 210 kg
15. George gave 42% of his 16 pocket money to charity. Use decimal multipliers to find out how much he gave away.
16. Imogen used 42% of a 800 g bag of flour to bake a cake. Use decimal multipliers to find out how much flour she used in her baking.