Question 816333: the ratio of boys to girls in an art class is 3:5 there are 12 boys in the class how many girl are in the class Found 3 solutions by stanbon, ewatrrr, TimothyLamb:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! the ratio of boys to girls in an art class is 3:5 there are 12 boys in the class how many girl are in the class
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3:5 is the same as 3x:5x where 3x = # of boys ; 5x = # of girls.
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Equation:
3x = 12
x = 4
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# of girls = 5x = 5*4 = 20
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Cheers,
Stan H.
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Hi,
the ratio of boys to girls in an art class is 3:5
there are 12 boys in the class how many girls 'x' are in the class | Cross Multiplying to solve
3x = 60
x = 20 girls
You can put this solution on YOUR website! b/g = 3/5
g = (5/3)b
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g = (5/3)b
g = (5/3)12
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g = 20
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