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Chapter 5: Q. 68 (page 596)
A marketing company surveys 1,200 people. They surveyed twice as many females as males. How many males and females did they survey?
They surveyed 400 males and 800 females.
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In the following exercises, solve the following systems of equations by graphing.
In the following exercises, translate to a system of equations and solve.
Jackie has been offered positions by two cable companies. The first company pays a salary of \( 14,000 plus a commission of \)100 for each cable package sold. The second pays a salary of \(20,000 plus a commission of \)25 for each cable package sold. How many cable packages would need to be sold to make the total pay the same?
In the following exercises, solve the systems of equations by substitution.
Determine whether the ordered pair is the solution to the system
(a)
(b)
Solve a System of Equations by Elimination -
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