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bazaltina [42]
3 years ago
5

Can someone help me with this problem?

Mathematics
1 answer:
Lilit [14]3 years ago
5 0
Hello,

W: math homework reulary

A: B average or better

U:Univers 100%

W∩A= the answer
Or #(W∪A)+#(W∩A)=#W+#A
or #(W∪A)=100-40=60

==>60+x=48+55
==>x=43

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