Answer :
Given:
c = x/7 +1
x = 35
Asked: Find the cost.
Solution:
To find the cost, we will substitute the value of x to the equation.
[tex]\begin{gathered} c=\frac{x}{7}+1 \\ x=35 \\ c=\frac{35}{7}+1 \\ c=5+1 \\ c=6 \end{gathered}[/tex]ANSWER: The cost is $6.