Question
The Venn diagram shows the number of students offer maths and physics and chemistry
There are 166 students altogether how many student offer both maths and chemistry 1)how many student offer at least one of physics or chemistry
There are 166 students altogether how many student offer both maths and chemistry 1)how many student offer at least one of physics or chemistry
Answers
no diagram here, but if M are math and P are physics and C are chemistry, then
M+P+C - (M&P + M&C + P&C) + (M&P&C) = 166
M+P+C - (M&P + M&C + P&C) + (M&P&C) = 166
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