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?
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3:4 is the same as 3x:4x where 3x is the # of boys: 4x is the # of girls
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Equation:
4x = 3x+120
x = 120
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Ans: 3x+4x = 7x = 7*120 = 840
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Cheers,
Stan H.
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