70=25+45, rewrite 25+45 using their greatest common factors and multiplication

Answer 1

The greatest common factor of 25 and 45 is 5.

25 = 5 * 5
45 = 5 * 9

Therefore, we can rewrite 25 + 45 as:

25 + 45 = (5 * 5) + (5 * 9)