Answer:
10
Explanation:
2272-875=1397
Factors of 1397: 1, 11, 127, 1397
Where's the three-digit number? ==> 127 is the three-digit number
875/127 = 6.889
1397/127=11
2272/127=
(875+1397)/127=
875/127 + 1397/127= ==> substitute 11 for 1397/127 and 6.889 for 875/127
6.889 + 11 = 17.889
Hence, 2272/127=17.889
Hence, 2272 and 875 have the same remainder when divided by 127.
Now add the digits:
1+2+7=10