8. When a student multiplied the number 66 by the repeating decimal
1.abab... = 1.ab.
where a...
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Mathematics, 05.02.2021 07:50 michelejoantucker
8. When a student multiplied the number 66 by the repeating decimal
1.abab... = 1.ab.
where a and b are digits, he did not notice the notation and just multiplied
66 times 1.ab. Later he found that his answer is 0.5 less than the correct
answer. What is the 2-digit integer a b?
(A) 15
(B) 30 (C) 45 (D) 60 (E) 75
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Answers: 3
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