SOLUTION: 5 is a factor of half of me my digits add up to 4 I am greater than 30 less than 100
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Question 958635: 5 is a factor of half of me my digits add up to 4 I am greater than 30 less than 100
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
The two clues that lead you to the answer are: "my digits add up to 4" and "greater than 30". Why? Because it rules out numbers beginning with 1 or 2 are out, any combination beginning with 1 or 2 would be less than 30.
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Numbers beginning with 3 work, and if we look at the other clue "my digits add up to 4" you can see that 31 would be an option, but 5 is not a factor of 15.5.
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*We also have 40. It is greater than 30, the two digits add up to 4+0= 4, *
*and the factors *of 40 are 2*2*2*5, so 5 is a factor. *
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