2 dollas
90
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)
21/7 = 3 Or, a 3 to 1 ratio.
The ratio is 2 to 1 in its simplest form
2 dollas
Since 21 and 18 have the common factor of 3, reduce 'em to get: 21 to 18 = (3 * 7) to (3 * 6) = 7 to 6
If you mean 21/18 then the equivalent ratio is 7/6
90
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)
It is 21/1 or 21:1
21% = 21/100
21/7 = 3 Or, a 3 to 1 ratio.
what is the ratio of 3 to 18
13:21
The ratio is N:21