Suppose C = 20y + 15 and y = 50x + 5. Which of the following is equivalent to C = 20y + 15, but written only in terms of x?
1 answer:
Answer:
C = 1000x + 115 (Answer B)
Step-by-step explanation:
We know that..
C = 20y + 15
y = 50x + 5
So put the Y value in the equation of C
C = 20 (50x + 5) + 15
C = 1000x + 100 +15
C = 1000x + 115
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