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antiseptic1488 [7]
3 years ago
12

What is a good comparison of the estimated sum and the actual sum of 7 9/12+2 11/12

Mathematics
1 answer:
earnstyle [38]3 years ago
4 0
10 8/12 because you get an improper fraction when you add 9/12 and 11/12 (20/12) so you see how many times 12 goes into 20 which is only once. you see how many are left over from when you take 12 from 20. then you have you fraction which is 8/12. now you have to add the numbers which is 7+2=9 but 12 goes into 20 once so you add 1 to your number to make it 10. That's the answer, 10 8/12.
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8 0
3 years ago
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katie has red 32% of a book if she has to read 80 pages how many more pages does Katie have left to read
galben [10]
In this question, the information that Katie has already read 32% of a book that has a total of 80 pages is of great importance. This information is enough to find the required answer to the question.
Total number of pages Katie has to read = 80
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Number of pages that Katie read = (32/100) * 80
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So Katie has 54.4 pages left to read.
                                                    
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