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olga2289 [7]
3 years ago
10

The following table shows the data collected from 2 random samples of 100 students from an after-school club regarding their fav

orite outdoor activity: Sample Swimming Movies Picnics Total 1 60 30 10 100 2 80 15 5 100 Which of the following observations can be made about the number of students in the club who prefer swimming? It is more than the number of students who prefer movies and picnics combined. It is less than the number of students who prefer movies and picnics combined. It is equal to the number of students who prefer watching movies. It is less than the number of students who prefer watching movies.
Mathematics
1 answer:
lutik1710 [3]3 years ago
5 0
The answer is : It is more than the number of student who prefer movies and picnics combined. 

!!HOPE THIS HELPS!!
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Whats the answer to these? (These are called Proper fractions.)
Darya [45]

Answer to the first question: 7/10ths of a mile

Explaination: When adding fractions, you need to have a common denominator. Since dividing 3/10 by 2 to get a denominator of 5 makes 3 a decimal, it's easier to multiply 2/5 by 2 to get a denominator of 10. You do the same to the top that you do to the bottom: \frac{2*2}{5*2} = \frac{4}{10}. From there, just add 4/10 and 3/10 to get the answer: 7/10ths of a mile.

Answer to the second question: Daniel read three (3/10) more books

Explaination: Since you can't evenly multiply 5 or 2 to get the opposite number, it's easier to multiply to the lowest common multiple. The easiest way to find that is to multiply both denominators (5*2=10). You'll have to multiply the numerator by the same amount you multipled the denominator by. For Daniel, that would mean: \frac{4*2}{5*2} = \frac{8}{10}. For Edgar, that would mean: \frac{1*5}{2*5} = \frac{5}{10}. So, Daniel read 3 more books than Edgar.

Answer to the third question: 2/4 mile (or 1/2 a mile)

Explaination: 2/8 can be simplified, by dividing the top and bottom by 2, resulting in 1/4. Since both fractions have the same denominator (/4), you can add them to get 2/4ths. This can be simplified further to half (1/2) a mile.

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Scorpion4ik [409]

Answer:

7 1/3 inches

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Answer:

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