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
B: 7,555,333
We have one 7, three 5's and three 3's.
These also can be 7,333,555 or 7,111,777.
52
Step-by-step explanation:
everytime it adds by 9:
7+9=16
16+9=25
25+9=34
34+9=43
<u>43+9=52</u>