Question

streak!
2 week streak level 4
2/4
$k + c = 28$
$k - c = 6$
the given system of equations relates the number of years kayla has been a musician, $k$, to the number of years courtney has been a musician, $c$. in the system, what does the number 28 represent?
choose 1 answer:
a the number of years kayla has been a musician
b the number of years courtney has been a musician
c the total number of years kayla and courtney have been musicians
d the number of years kayla has been a musician for each year courtney has been a musician

Explanation:

The variable $k$ is Kayla's years as a musician, and $c$ is Courtney's. The equation $k + c = 28$ adds these two values together, so 28 is the sum of their years as musicians.

Answer:

C. The total number of years Kayla and Courtney have been musicians