Answer:
1.62 litres
Explanation:
A painter and decorator used 82% of his 9 litre tub of paint. How much is left in the tub?
100% - 82% = 18%
He used 82% so he has 18% of the tube left. 18% = 0.18.
18% of 9 litre:
0.18 * 9 = 1.62 litres
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