AnswersAlgebra IPractice TestQuestion 6
6
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Practice Test

Question 6 • Algebra I

A rectangular bird feeder costs 18 point 00 dollars A cylindrical bird feeder costs 24 point 00 dollars The expected cost to keep the rectangular bird feeder filled is 3 point 00 dollars per week. The expected cost to keep the cylindrical bird feeder filled is 2 point 00 dollars per week. The equation models the break-even point. 18 plus 3 x is equal to 24 plus 2 x What does x represent?

Answer
A
the number of bird feeders purchased each week
B
the total cost to fill the rectangular bird feeder after any number of weeks
C
the number of weeks the bird feeders are filled
D
the total cost to fill the cylindrical bird feeder after any number of weeks

Explanation

In the equation, 18 and 24 are the feeders’ initial prices, while 3x and 2x represent the filling costs that build up over time. Since the weekly costs are multiplied by x, x represents the number of weeks the bird feeders are filled. Choice C is correct.

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