Earl earns a weekly salary of $150 plus 20% of the amount of his sales for the week he earned $230 the equation below can be used to find s, the amount of his sales in dollars las week.
230=150+0.2s
What was the amount of earls sales last week?
A)$180
B)$380
C)$400
D)$450

Respuesta :

230=150+0.2s
80=0.2s
80/0.2=0.2/0.2
400=s

amount of earls sales last week
A)$180