# In a box, the ratio of red marbles to blue marbles is 7:4.

1.2k views

In a box, the ratio of red marbles to blue marbles is 7:4. Which of the following could be the total number of marbles in the box? (A) 18 (B) 19 (C) 21 (D) 22

by (24.8k points)
selected

The correct answer is (D) 22