Greatest common factor of 96 and 36

36: 18, 12, 9, 6, 4, 3, 2, 1.
96: 48, 32, 24, 16, 12, 8, 6, 4, 3, 2, 1.

ans: 12

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.