PES1234
PES1234
02-03-2017
Mathematics
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How many 1/7 are there in 3 holes
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Аноним
Аноним
02-03-2017
It is 21. Seven 1/7th's makes 7/7 which equals one. So multiply 7x3 and that is 21.
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baabaagreysheep
baabaagreysheep
02-03-2017
This is the same as asking what 3 ÷ 1/7 is, and to divide whole numbers by fractions, you flip the second fraction and multiply. This makes the problem 3/1 × 7/1, which just equals 21 which is your answer. I hope this helps!
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Prove that for every n E N, when we divide n2 by 7, the remainder is either 0, 1, 2, or 4. In other words, the remainder will never be 3, 5, or 6.
