O-LevelMathematicsNumber4024/11 · May/June 2011 · Q82 Marks
A bag contains red and blue pens in the ratio 2 : 7. There are 18 red pens in the bag. How many blue pens are in the bag?
- (a)A bag contains red and blue pens in the ratio 2 : 7. There are 18 red pens in the bag. How many blue pens are in the bag?[1]
- (b)A box contains apples and oranges. The ratio of apples to oranges is 2 : 3. What percentage of the fruit are oranges?[1]
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