Question

The table below shows Sarah's earnings on the job. Time (hours) Earnings (dollars) 11 $190.30 23 $397.90 27 $467.10 What is the constant of proportionality between earnings and time in hours?

Answer 1

Given:

Saran's earnings on a job is tabulated.

Let y be the earnings and x be the time.

`\begin{gathered} y=kx \\ k=(y)/(x) \\ k=(190.30)/(11) \\ k=17.3 \end{gathered}`

Constant proportionality is 17.3

`y=17.3x`