Question

In a salad recipe, the ratio of carrots to cucumbers must remain constant. The table below shows some possible combinations of carrots and cucumbers.

Answer 1

The answer is 4

Explanation:

The ratio of carrots to cucumbers is 1:3, if you are trying to find the lowest ratio or common factor that would be 1 carrot and 3 cucumbers. 1+3=4 so the answer is four.