10 Things I Hate About You" is loosely based on Shakespeare's "The Taming of the Shrew." The 1999 film used many of the play's character names and put a modern twist on the plot. ... Similarly, in "10 Things I Hate About You," the main plot is that Bianca can't date until Kat does.
205-49
I would round 49 to 50.
205-50=155
Now just add one back.
156
That makes it easier to solve.
I hope this helps!
~kaikers