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Upper primary school mathematics question UPQ550
The graph shows the number of pupils participating in the school anniversary event by 5 P6 classes. The average number of pupils the 5 classes was 80. How many pupils from Class 6E participate in the school anniversary event?
Total number of Pupils participated in the event = 80 × 5 = 400
From the chart,
Number of pupils in Class 5A = 90
Number of pupils in Class 5B = 86
Number of pupils in Class 5C = 80
Number of pupils in Class 5D = 74
Totla number of pupils from the above four classes
= 90 + 86 + 80 + 74 = 330
The number of pupils from Class 5E = 400 – 330 = 70