Answer:
63
Explanation:
Multiples of 7 that are less than 100:
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98
If when a number is divided by 10 it has a remainder of 3, look for the mulitple of 7 with "3" as its units. Therefore, the number is 63.