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NikAS [45]
3 years ago
6

A group of 266 persons consist of men , women and children and there are four times as many men as children and twice as many wo

man as children .How many of each are there ?
Mathematics
1 answer:
klasskru [66]3 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

Let c represent the number of children, then

number of men = 4c and number of women = 2c

Sum the numbers of each and equate to 266

4c + 2c + c = 266, that is

7c = 266 ( divide both sides by 7 )

c = 38

Thus

4 × 38 = 152 and 2 × 38 = 76

The group consists of 38 children, 152 men and 76 women

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Answer:

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Step-by-step explanation:

B' stands for the complement of B.

B' means set elements in the universe that aren't in B.

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So we taking out the odd numbers from U that are odd and greater than or equal to 13. (The dots mean it continues with that pattern forever and ever.)

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