Question

There are 12 rabbits in a cage. The ratio of white rabbits to all rabbits is 3:4. How many rabbits are in the cage?

Answer 1

Set up a proportion:

3/4 = x/12

Cross multiply:

36 = 4x

Divide 4 to both sides:

x = 9

Answer 2

12 rabbits
white to all=3 to 4

that means that there are 3 white units and 4 all units
so if 12=all then
12=4 units
divide by 4
3=1 unit
if whit=3 units then
3=1 unit
3 times 3=9=3 units

9 white rabbits
and 3 non white rabits