1:18 ( 4 in to 72 in)
It simplifies as a ratio of 1:4
24/18 = 4/3
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 is 2 to 1 in its simplest form
8 for every 18
It is 4/9.
1) 4:18 2) 2:9
1:18 ( 4 in to 72 in)
It simplifies as a ratio of 1:4
9:6 6:4
24/18 = 4/3
12:18 is the same as 4:6 which is the same as 2:3.
The ratio of 90 to 18 is written as 90/18
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)
They are: 8 to 18 and 16 to 36
4/9 x 18 = 8 so there are 8 grils