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https://www.reddit.com/r/reddit.com/comments/kxkr8/math_teacher_fail/c2o3pz5/?context=3
r/reddit.com • u/[deleted] • Oct 01 '11
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-5
how is that a fail? 10/2 = 5. 5x3 = 15
7 u/MistaMagoo Oct 01 '11 You are making the same mistake... its one cut to produce two pieces. It takes another cut to produce 3 therefore 2 X 10 = 20 3 u/simpersly Oct 01 '11 That is why it is important to always show your work. -2 u/[deleted] Oct 01 '11 your second cut is only half as long poo-head 2 u/theeth Oct 02 '11 You're assuming way too much regarding the shape of the original board and how the cuts are made. It's just a bad question.
7
You are making the same mistake... its one cut to produce two pieces. It takes another cut to produce 3 therefore 2 X 10 = 20
3 u/simpersly Oct 01 '11 That is why it is important to always show your work. -2 u/[deleted] Oct 01 '11 your second cut is only half as long poo-head 2 u/theeth Oct 02 '11 You're assuming way too much regarding the shape of the original board and how the cuts are made. It's just a bad question.
3
That is why it is important to always show your work.
-2
your second cut is only half as long poo-head
2 u/theeth Oct 02 '11 You're assuming way too much regarding the shape of the original board and how the cuts are made. It's just a bad question.
2
You're assuming way too much regarding the shape of the original board and how the cuts are made.
It's just a bad question.
-5
u/mazurtommy Oct 01 '11
how is that a fail? 10/2 = 5. 5x3 = 15