Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter5: Linear Inequalities
Section5.1: Solving Inequalities By Addition And Subtraction
Problem 57PFA
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i honestly do not understand any of this can you please help?
sers/emily.kelley144/Downloads/Solving Systems_by_Substitution%20(1).pdf
A
(T)
V
6) Your math teacher is planning a test for you. The test will have 30 questions. Some of the
questions will be worth 3 points, and the others will be worth 4 points. There will be a total
of 100 points on the test. How many 3-point questions and how many 4-point questions
will be on the test?
a. Identify the problem:
b. Let the number of 3-point questions = x and the number of 4-point questions = y. Write
the two equations for the system.
c. Use subsititution to solve for y in the first equation.
d. Substitute the value for y into the second equation to solve for x.
e. There will be
3-point questions and
4-point questions.
f. Check your solution by substituting the values into both equations.
A
Thy
D
Transcribed Image Text:sers/emily.kelley144/Downloads/Solving Systems_by_Substitution%20(1).pdf A (T) V 6) Your math teacher is planning a test for you. The test will have 30 questions. Some of the questions will be worth 3 points, and the others will be worth 4 points. There will be a total of 100 points on the test. How many 3-point questions and how many 4-point questions will be on the test? a. Identify the problem: b. Let the number of 3-point questions = x and the number of 4-point questions = y. Write the two equations for the system. c. Use subsititution to solve for y in the first equation. d. Substitute the value for y into the second equation to solve for x. e. There will be 3-point questions and 4-point questions. f. Check your solution by substituting the values into both equations. A Thy D
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