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2 votes
I am between 7,000,000 and 8,000,000. all my digits are odd. all the digits in my thousands period are the same. the sum of my digit is 31. what number am i? give as many answers as you can. what strategies did you use to find the mystrey number

2 Answers

4 votes
There are many possibilities so I am going to give 3 answers 777113 777131 777311
User Leszek Szary
by
8.5k points
5 votes

Answer:

The number can be many numbers like: 7,777,111 or 7,555,333 or 7,111,777

A: 7,777,111

We have four 7's and three 1's


7*4=28


1*3=3


28+3=31

B: 7,555,333

We have one 7, three 5's and three 3's.


5*3=15


3*3=9


15+9+7=31

These also can be 7,333,555 or 7,111,777.

User Brutal
by
7.9k points