shellemorri shellemorri

07-02-2022
Mathematics

contestada

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?

a.)

C = 1000x + 100

b.) correct Answer

C = 1000x + 115

c.)

C = 100x + 135

d.)

C = 100x + 35

Respuesta :

DivineSolar DivineSolar

07-02-2022

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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