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In a class, 45 students are taking the SAT exam.The number of boys is 9 more than the number of girls.How many girls and boys are in the classroom? Write a system of equations and solve using any method.
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In a class, 45 students are taking the SAT exam.The number of boys is 9 more than the number of girls.How many girls and boys are in the classroom?

Write a system of equations and solve using any method.

User PEPLOVE
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8.2k points

1 Answer

6 votes
The equation would be
g + (g + 9) = 45
2g + 9 = 45
- 9
2g = 36
÷ 2
g = 18
18 + 9 = 27
Girls: 18
Boys: 27
Hope this helps! Let me know if you have any questions :)
User Steven Bell
by
8.7k points
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