Mathematics for IGCSE & O level - Fractions, Decimals And Percentages (Section 1 - No. 43)
If a bag contains 99 balls, and 36 are red, what percentage of the balls are NOT red?
36%
64%
63.6%
66.6%
Explanation
36/99 are red, so 63/99 are not red. (63/99)*100=63.6%
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