Question

Find the value of letter y if y:3=12:18

Answer 1

To find the value of y, we first need to set up a proportion using the given ratio:

y/3 = 12/18

Next, cross multiply:

18y = 36

Now, divide by 18 to solve for y:

y = 36/18
y = 2

Therefore, the value of y is 2.