The amount of money that Sarah earns varies directly with the number of hours worked. If Sarah earns $320 for working 40 hours, determine the constant of proportionality.(1 point) Responses
9
8
7
6
To determine the constant of proportionality, divide the amount of money earned by the number of hours worked.
Constant of proportionality = Amount of money earned / Number of hours worked
In this case, the amount of money earned is $320 and the number of hours worked is 40.
Constant of proportionality = 320 / 40 = 8
Therefore, the constant of proportionality is 8.