SOLUTION: a math class has 57 students in the class.the number of boys is 3 less than twice the number of girls enrolled.how many boys and girls are in the class?

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Question 184574: a math class has 57 students in the class.the number of boys is 3 less than twice the number of girls enrolled.how many boys and girls are in the class?
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!

Remember number of students:
Girls=G
Boys=2G-3
Condition: B%2BG=57
Then, 2G-3%2BG=57
3G=57%2B3=60
cross%283%29G%2Fcross%283%29=cross%2860%2920%2Fcross%283%29
highlight%28G=20%29, number of Girls
Boys=2%2A20-3=40-3=highlight%2837%29, number of Boys
Check via condition:
37%2B20=57
57=57
Thank you,
Jojo