35, 70, 105 and so on.
-35
-375
1155
28, 35, 42, 49, 56.
List all the combination of positive integers that multiplies into 35, then you will see right away
361
1, 2, 5, 7, 10, 14, 35, 701 x 70, 2 x 35, 5 x 14, 7 x 10
The number is 7................ 7x5=35..........35-10=25.....25+3=28
1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735.
686
Using Middle Age notation, an overline multiplies the value by 1000. Thus 35,000 is 35 times 1000 and can be represented by: ____ XXXV