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Question

There are 3 red balloons, 2 white and 4 blue balloons and one balloon of each colour bursts. What fraction of the total number of balloons are now blue? [ 3 Marks ]

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Solution

Initially there are

3 red balloons
2 white balloons
4 blue balloons

After bursting, there are

Red balloons = 3 -1 = 2
White balloon = 2- 1 = 1
Blue balloons =4 -1 = 3 [ 1 mark ]

Now ,the total number of balloons = 2+1+3
= 6 [ 0.5 marks ]

We know that fraction = PartWhole
So the fraction of blue balloons = Blue BalllonsTotal Balloons [ 1 Mark ]
Therefore, the fraction of blue balloons = 36
[ 0.5 Mark ]

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