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16dshah
13.06.2020 •
Mathematics
What is my mystery number???
My number has 2 digits
It is less than 30
It is odd
The sum of its digits is 7
that could my mystery number be??
Solved
Show answers
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Ответ:
25
Step-by-step explanation:
To figure out the mystery number, the biggest clue we have is the fact that the number is a double digit and the 2 integers add up to 7. We can list out the possible ways to get a sum of 7. Then we can see which is the mystery number.
0+7
1+6
2+5
3+4
With these pairs, we can automatically eliminate 0+7 because 70 is greater than 30. We can also eliminate 3+4 because 34 is even, not odd. When you flip it to 4+3, it is odd, but it is greater than 30. We can also eliminate 1+6 because 16 is even and 61 is greater than 30. Our answer is 25. 2+5=7 and 25 is odd that is less than 30.
Ответ:
im sure ur nice too if all
Step-by-step explanation: