Respuesta :

300 shirts = $1800
1 shirt = 1800 ÷ 300 = $6
Markup = $10 - $6 = $4
Percentage markup = 4/6 x 100 = 67% (Rounded to the nearest percentage)

Answer:

1800/300 = $6 a shirt

If they're being sold for $10

10/6 =5/3

=1.666

x100

=166.66% markup