stef23
stef23
24-05-2016
Mathematics
contestada
Can someone help me with this problem?
Respuesta :
caylus
caylus
26-05-2016
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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