Arithmetic › Ratio and proportion › Boys-to-girls ratios
Boys to girls ratio from averages
Middle school · ●●○○○ 20 pts
In a math test, the average score of a class is 78 points, and the average scores of the boys and the girls are 75.5 points and 81 points, respectively. Write the ratio of the number of boys to the number of girls in the class as in lowest terms. Find and .