Question 934330
x = number of boys
y = number of girls
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x + y = 30
x/y = 3/7
7x = 3y
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put the system of linear equations into standard form
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x + y = 30
7x - 3y = 0
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solution:
x = number of boys = 9
y = number of girls = 21
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now, add 8 girls:
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x = number of boys = 9
y = number of girls = 29
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answer:
y/x = ratio of girls to boys = 29/9
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