⁷/₁₆ ÷ (3¹/₂ ÷ ¹/₂)
⁷/₁₆ ÷ (⁷/₂ ÷ ¹/₂)
⁷/₁₆ ÷ (⁷/₂ × ¹/₂)
⁷/₁₆ ÷ ⁷/₄
⁷/₁₆ × ⁴/₇
¹/₄
I'm sorry this isn't the answer, but I just want you to know that you are incredible and that I love you for you! You are special to everyone you meet, and should not change who you are. I know your life may be tough, but you are strong and can get through it!
The price of the mark up would be 395.4624
I got this by doing:
306.56 x 29/100 = 88.9024
88.9024 + 306.56 = 395.4624