Smart
as a Brick
2 lb + half a brick = 1 brick
Obviously, 2lb is the weight of one half of that brick.
The whole brick weighs then 4 lb.
This problem was correctly solved by:
Sandra from Oklahoma City, Age: 14
4 lbs - 2 lbs + .5*x lbs = x lbs .5*x lbs = 2 lbs
x=4.
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Samson from NY, Age: 6
x=2+x/2 x=4.
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Mubina from Texas, Age: 8
4 lbs ofcourse.
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Christine Dessa from India, Age: 09
4lb.
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NOURI from EGYPT, Age: 12
4 lb.
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liz from ga, Age: 40
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Unknown from ?, Age:
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kylee from south dakota, Age: 14
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sp from pulankinar, Age: 21
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steve d from massachussettes, Age: 19
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Stephanie Pedroza from Nebraska USA, Age: 10
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Whitney Miller from Nebraska, Age: 11
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Stephanie Pedroza from Nebraska USA, Age: 10
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Sandy from Texas, Age: 7
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Sam from Washington, Age: 22
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BlueCrams from STL, Age: 14
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Shawna Gossman from FL Broward, Age: 8
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sara boehly from Oh, Age: 10
