Asked by Godfred
There are 40 pupils in a class 30 of them study biology,22 study physics and 21 study chemistry.15 study physics and biology,10 study physics and chemistry and 13 study biology and chemistry.each student in the class studies at least one of the three subject.represent it on a venn diagram
Answers
Answered by
Godfred
Can't solve
Answered by
oobleck
If x take all three, then
30+22+21 - (15+10+13) + x = 40
x = 5
so in your Venn diagram, place a 5 in the middle spot.
Then subtract 5 from each of the two-subject spots
then place the remainder in the large single-subject spots.
Go google 3-way Venn diagrams ...
30+22+21 - (15+10+13) + x = 40
x = 5
so in your Venn diagram, place a 5 in the middle spot.
Then subtract 5 from each of the two-subject spots
then place the remainder in the large single-subject spots.
Go google 3-way Venn diagrams ...
Answered by
Lariba
Please show workings
Answered by
Lariba
Haven't solve all
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