In a class room the ratio of number of girls to that of boys is 3 : 4. The average height of students in the class is 4.6 feet. If the average height of the boys in the class is 4.8 feet, then what is the average height of the girls in the class?
1
Less than 4.2 feet
2
More than 4.2 feet but less than 4.3 feet
3
More than 4.3 feet but less than 4.4 feet
4
More than 4.4 feet but less than 4.5 feet