SOLUTION: The ratio of boys to girls in a school is 3 : 4 .
There are 120 more girls than boys.
How many students are in the school?
Algebra.Com
Question 998675: The ratio of boys to girls in a school is 3 : 4 .
There are 120 more girls than boys.
How many students are in the school?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The ratio of boys to girls in a school is 3 : 4 .
There are 120 more girls than boys.
How many students are in the school?
-------
3:4 is the same as 3x:4x where 3x is the # of boys: 4x is the # of girls
--------
Equation:
4x = 3x+120
x = 120
----
Ans: 3x+4x = 7x = 7*120 = 840
-----
Cheers,
Stan H.
------
RELATED QUESTIONS
a school has 300 students if the ratio of boys to girls is 31 to 44 how many more girls... (answered by ankor@dixie-net.com)
The ratio of the number of boys to girls in a school is 4:5. If there are 120 boys, then (answered by ikleyn)
There are 900 students in a school, the ratio of girls to boys is 5:4 how many boys and... (answered by Alan3354)
The ratio of boys to girls at an elementary school is 3 to 4. If there are 580 students,... (answered by ankor@dixie-net.com)
The ratio of boys to girls in the school is 3 to 2. There are 600 students all together.... (answered by ptaylor,amalm06)
The ratio of boys to girls in a school is 5:4. If there are 500 girls, how many boys are... (answered by Maths68)
in a village school the ratio of boys to girls is 3:4. there are 132 boys. how many girls (answered by richwmiller)
The ratio of boys to girls in a school is 5:2. The number of boys is more by
450 than... (answered by TimothyLamb)
The ratio of boys to girls in a class is 3:1. There are 36 students in the class. How... (answered by ikleyn,Boreal)