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The number of boys in ninth grade is 12 less than twice the number of girls There are 51 students in ninth grade How many are girl?
According to the information given, there are 21 girls in the ninth grade.
The number of boys in the ninth grade is 12 less than twice the number of girls there are 51 students in the ninth grade how many are girls?
Let's say the number of girls is x and the number of boys is y. Then the information we have is: There are 51 students, so: x + y = 51 And 12 less than twice the number of girls are boys, so: y = 2x-12 Replace y in the first equation with the second and you get: x + (2x-12) = 51 3x = 63 x = 21 So there are 21 girls in the ninth grade. To check back, that means there should be 30 boys, and that is indeed 12 less than twice the number of girls.
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The number of boys in ninth grade is 12 less than twice the number of girlsthere are 51 astudents in ninth grade how many are girls?
If the number of boys in ninth grade is 12 less than twice the number of girls there are 51 astudents in ninth grade then the number of girls is 21
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The number of boys in ninth grade is 12 less than twice the number of girls There are 51 students in ninth grade How many are girl?
According to the information given, there are 21 girls in the ninth grade.
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