If k is a positive two-digit integer, what is the tens digit of k ?
1) the sum of the tens di...
Mathematics, 02.09.2019 19:30 lily3934
If k is a positive two-digit integer, what is the tens digit of k ?
1) the sum of the tens digit of k and the units digit of k is 5. 2) the tens digit of k + 6 is 3.
Answers: 3
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