6 to 7
Chat with our AI personalities
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