Asked by Sakyibea.
in a class of 50 students the number of students who have the accountant is twice the number who offer economics I illustrate the information on a venn diagram II how many students offer accounting III how many students offer economics IV how many students offer only one subject.
Answers
Answered by
oobleck
ever hear of newlines to make things clearer?
A+E-(A&E) = 50
Since A=2E, that means
3E-(A&E) = 50
Without knowing how many take both (and, how many take neither!), there is no way to assign numbers.
A+E-(A&E) = 50
Since A=2E, that means
3E-(A&E) = 50
Without knowing how many take both (and, how many take neither!), there is no way to assign numbers.
Answered by
Timothy
in a class of 32 students, 18 offer chemistry, 16 offer physics and 22 offer mathematics, 6 offer all the three subject, 3 offer chemistry and physics only and 5 offer physics only.each student offers at least one subject. find number of students who offer
Answer
2x - 5
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