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)

O 9
© 8
07
0 6

The constant of proportionality can be found by dividing the amount of money earned by the number of hours worked. In this case, the constant of proportionality is $320 divided by 40 hours:

320/40 = $<<320/40=8>>8

Therefore, the constant of proportionality is 8.