Answer:
$8 each scarf
Step-by-step explanation:
Let the selling price for each scarf be x,
Formula:
unit amount(selling price - cost price) = total profit
Stepwise:
100(x - 3) = 500
100(x) - 100(3) = 500
100x - 300 = 500
100x = 500 + 300
100x = 800
x = 8