At East High School, there are a total of 1050 students in the freshman and sophomore classes. The freshman class has 80 more students than the sophomore class. Write a system of equations that could be used to determine the number of freshmen, f, and sophomores, s, in the school?

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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11
7
11.
12.
Darryl solved a system of equations and asked you
to check his work. His work is shown. Is his work
correct? If not, where did he make an error?
At East High School, there are a total of 1050
students in the freshman and sophomore
classes. The freshman class has 80 more
2 of 6
(r + 3y = 15)- 4 = 4x+ 12y = 60
4х — у %3D 6
students than the sophomore class. Write a
system of equations that could be used to
determine the number of freshmen, f, and
= -(4x – y = 6)
1ly =
= 66
sophomores, s, in the school?
y = 6
4х — 6 — 6
4x = 12
x = 3
The solution is (3,6).
Transcribed Image Text:Search the menus (Alt+/) 170% - Normal text Arial + в I UА 11 7 11. 12. Darryl solved a system of equations and asked you to check his work. His work is shown. Is his work correct? If not, where did he make an error? At East High School, there are a total of 1050 students in the freshman and sophomore classes. The freshman class has 80 more 2 of 6 (r + 3y = 15)- 4 = 4x+ 12y = 60 4х — у %3D 6 students than the sophomore class. Write a system of equations that could be used to determine the number of freshmen, f, and = -(4x – y = 6) 1ly = = 66 sophomores, s, in the school? y = 6 4х — 6 — 6 4x = 12 x = 3 The solution is (3,6).
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