SOLUTION: there are 6 boys to every 9 girls in the sixth grade. there is a total of 75 students in the sixth grade. how many boys are there in the sixth grade?

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Question 335991: there are 6 boys to every 9 girls in the sixth grade. there is a total of 75 students in the sixth grade. how many boys are there in the sixth grade?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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there are 6 boys to every 9 girls in the sixth grade.
there is a total of 75 students in the sixth grade.
how many boys are there in the sixth grade?
:
Let x = the multiplier
No. of boys to girls:
%286x%29%2F%289x%29
then
6x + 9x = 75
15x = 75
x = 75%2F15
x = 5
We have
6(5) = 30 boys
and
9(5) = 45 girls
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total: 75 students