SOLUTION: there are 35 students in a class and the ratio of boys to girls is 3:4. How many boys and girls are there in the class?

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Question 319483: there are 35 students in a class and the ratio of boys to girls is 3:4. How many boys and girls are there in the class?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3:4 total=35.
3n+4n=35
7n=35
n=35/7
n=5 this is the multiplier.
3*5=15 boys
4*5=20 girls.
Proof
15+20=35
35=35