O-LevelMathematicsNumber4024/11 · May/June 2012 · Q72 Marks
Jane puts some red balloons and some blue balloons into a bag. The ratio of red balloons to blue balloons is 3: 4. There are 84 balloons in the bag. How many blue balloons are in the bag?
- (a)Jane puts some red balloons and some blue balloons into a bag. The ratio of red balloons to blue balloons is 3: 4. There are 84 balloons in the bag. How many blue balloons are in the bag?[1]
- (b)At a party the ratio of boys to girls is 5 : 4. There are 40 boys at the party. Find the total number of children at the party.[1]
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