SOLUTION: If there are 4:3 boys to girls do you know how many students are in that class. Show work

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Question 707711: If there are 4:3 boys to girls do you know how many students are in that class. Show work
Answer by stanbon(75887) About Me  (Show Source):
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If there are 4:3 boys to girls do you know how many students are in that class. Show work
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Ans: No. You need to know the number of boys OR the # of girls.
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Example. If you know there are 28 girls.
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4:3 is the same as 4x:3x where 3x is the number of girls.
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Equation:
4x + 3x = 28
7x = 28
x = 4
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# of boys = 4x = 4*4 = 16
# of girls = 3x = 3*4 = 12
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Cheers,
Stan H.