The graph shows the types of programmes, some children joined during the June holidays. The difference between the number of children who joined Art and Gardening programme altogether and Drama and Painting programme altogether
is ___.
A
18
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B
16
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C
15
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D
20
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Solution
The correct option is A 18 Scale on y-axis: 1 units length = 2 children
From the graph,
The number of children who joined Art and Gardening programme
= 36 + 20 = 56
The number of children who joined Drama and Painting programme
= 24 + 50 = 74
The required difference = 74 - 56 = 18
Thus, the difference between the number of children who joined Art and Gardening programme altogether and Drama and Painting programme altogether is 18.