Find the number that makes the ratio equivalent to 1: 6.
3: __

Okay so you basically just multiply by the same thing, in this case three because 1*3=3 
so you just multiply six by three
6*3=18
the ratio is 3:18

3:18 because if you simplify you will get a 1:6

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.