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OpenStudy (anonymous):
MEDAL AND FAN PLEASE HELP ME!!! 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 girls? help please!
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OpenStudy (anonymous):
if you put say \(x\) as the number of girls, then the number of boys is 12 less than twice \(x\) or \(2x-12\) the total is \(x+2x-12=51\) combine like terms and solve for \(x\)
OpenStudy (anonymous):
okay 3x-12=51
OpenStudy (anonymous):
= 21? am i right??
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