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 find the constant of proportionality, we divide the amount Sarah earns by the number of hours worked: $320 / 40 = $<<320/40=8>>8.
Therefore, the constant of proportionality is 8.