SOLUTION: The ratio of boys to girls in a class is 4 : 5.
There are 3 more girls than boys.
Calculate the total number of students in the class.
Algebra ->
Percentage-and-ratio-word-problems
-> SOLUTION: The ratio of boys to girls in a class is 4 : 5.
There are 3 more girls than boys.
Calculate the total number of students in the class.
Log On
Question 916526: The ratio of boys to girls in a class is 4 : 5.
There are 3 more girls than boys.
Calculate the total number of students in the class. Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! x the number of boys Cross Multiplying to solve
4(x+3) = 5x
12 = x, number of boys and 15 Girls
15 students in the class
....
And...checking
12/15 = 4/5