A class of 28 students has 13 boys and 15 girls. What is ratio of girls to boys in the class?
A.
15:28
B.
13:15
C.
13:28
D.
15:13
The correct answer is:
D. 15:13
Explanation:
- To find the ratio of girls to boys, you compare the number of girls to the number of boys.
- The class has 15 girls and 13 boys.
Thus, the ratio of girls to boys is:
Ratio=Number of girlsNumber of boys=1513\text{Ratio} = \frac{\text{Number of girls}}{\text{Number of boys}} = \frac{15}{13}Ratio=Number of boysNumber of girls=1315
Expressed as a ratio, this is written as 15:13.