Question

# The table shows the total cost c of buying t movie tickets. Write an equation to represent the relationship between c and t.t | c1|72|143|214|28

Analyzing categorical data

The table shows the total cost c of buying t movie tickets. Write an equation to represent the relationship between c and t.

$$\begin{array}{|c|c|} \hline t & с\\ \hline 1 & 7 \\ \hline 2&14\\ \hline 3&21\\ \hline 4&28\\ \hline \end{array}$$

$$\displaystyle{c}={7}{t}$$