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hayesgenniferozslxr
30.12.2019 •
Mathematics
In a group of 270 college students, it is found that 64 like brussels sprouts, 94 like broccoli, 58 like cauliflower , 26 like both brussels sprouts and broccoli, 28 like both brusselssprouts and cauliflower , 22 like both broccoli and cauliflower , and 14 like all three vegetables.
how many of the 270 students do not like any of these vegetables?
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Ответ:
116 students
Step-by-step explanation:
we let
U=[Total number of students ]
This implies that,
n(U)=270
B.S=[Those who like brussels sprouts ]
This implies that,
n(B.S)=64
B=[Those who like broccoli]
This implies that,
n(B)=94
C=[Those who like cauliflower]
This implies that,
n(C)=58
Using the formula :
n(U)=n(B.S)+n(B)+n(C)-n(B.S n B)-n(B.S n C)-n(B n C)+n(B.S n C n B)+n(no set)
By substitution we get,
270=64+94+58-26-28-22+14+n(no set)
270=154+n(no set)
270-154=n(no set)
n(no set)=116
Hence number of students who do not like any of the three vegetables is 116
Ответ: