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There are 155 Grade 12 students at Westdale High. The numberof students enrolled in the following courses is shown. 78 in biology 20 in biology
There are 155 Grade 12 students at Westdale High. The numberof students enrolled in the following courses is shown.
78 in biology
20 in biology and chemistry
70 in chemistry
10 in chemistry and physics
40 in physics
10 in biology and physics
2 in all three sciences
(a)Complete the Venn diagram to illustrate the situation. [1 mark]
(b)How many students do not take any of the three science courses? Explain clearly how you obtain this answer. [2 marks]
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