what is the ratio of 3 to 18
12 × ratio = -18 → ratio = -18/12 = -3/2 = -1.5 Checking: -18 × ratio = -18 × -3/2 = 27 as required The common ratio is -3/2 (or -1.5)
The ratio of 18 and 15 is 18:15, but it can be reduced. 3 is the GCF of both numbers, so we can divide each by 3. The ratio of 18:15 after dividing both numbers by 3 is 6:5.
It is: 3 to 1
2 is.
1 to 6
2 to 3.
2 to 3.
2 to 3.
42 to 18 is 42:18 is 42/18 Which is 2 1/3
18:30 = 3:5
The ratio of 18 to 12 (18:12) = 3:2 = 1.5 people per chair