michailmaravelias michailmaravelias

21-04-2020
Mathematics

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elliottou elliottou

21-04-2020

Answer:

$540

Step-by-step explanation:

2460 = 4x + k

1920 = 3x + k

k is our student service fee, which we represent as a constant

subtracting the equations to remove k and isolate x, our cost per course

540 = x

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