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siniylev [52]
3 years ago
11

When is estimation an effective way to determine an answer?

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0
Answers that are way off the answer you came up with can automatically be eliminated because those are most likely trick answers people can fall for. Rounding or estimating can ensure your answer by a slight chance.
Elden [556K]3 years ago
7 0
The answer above is not going to get you anywhere.

Most of the time you should estimate when you have a long decimal.
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Step-by-step explanation:

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2. For this one, first find how many students out of the first 80 liked basketball by subtracting the 60 students who liked other sports from 80. This gives you 20. Now you know that 20/80 students like basketball. Now simplify the fraction to get 1/4. Then find 1/4 of 100, because we know that 1/4 of students like basketball. 1/4 of 100 is 25.

3. This problem is exactly the same as number 1, except instead of adding all the other colors and putting them as a fraction over the total, just put the number of pink shirts over the total number of shirts to get 3/12. Then simplify it to 1/4, and that's your answer.

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Note: Please only ask one question at a time on here instead of 5 at once. Since these problems are so similar, chances are, you could have figured them out on your own with a little help on one of them. You are more likely to get a quick answer if the answerer doesn't have to do as much work.

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ivann1987 [24]

Answer:

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Step-by-step explanation:

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