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Math problem: Who is correct, The Teacher or The Student?

R

Reasonable Doubt

Senior member
Some simple math.


test-fail-43.jpg



This too should be interesting.
 
Yeah the teacher has done 10 minutes for 2 pieces = 5 min per piece...

Time required for 3 pieces = 3 x 5 = 15 mins.

There is a really obvious reason why this is wrong.
 
Well duh, the new board is 12"x12". The first cut is 12" long. But the second cut is only 6" long.
 
tmc said:
this. LOL. but there EXIST genuine/honest teachers who correct their mistakes.
Click to expand...

i have found them to be very rare. Hell I have heard of people getting in trouble for trying to get a question marked wrong corrected.
 
Raizinman said:
What then is the correct answer? Show your proof.
Click to expand...

Took 10 minutes to cut a a board into two. This means, 10 minutes for a single cut.

Then, if she has to make two more cuts to cut another board into 3 pieces, 2*10 = 20.

C'mon, I'm terrible at math and I picked this up.
 
Kid is correct. It takes Marie 10 minutes to make one cut. Cutting a board in 3 pieces would require 2 cuts and thus 10 minutes. Marie is a n00b.

Sigh. How can the next generation be good at math when we have teachers who fails at simple reasoning? Teacher is a n00b.
 
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