Brain Teasers
Add and Multiply 1.5
What number gives the same answer when added to or multiplied by 1.5?
Answer
33+1.5= 4.5
3x1.5= 4.5
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Comments
elementary my dear friend...
Don't like it
1.5x - (1.5 + x) = 0
1.5x - 1.5 - 1x = 0
0.5x - 1.5 = 0
0.5x = 1.5
x = 1.5/0.5
x = 3
1.5x - 1.5 - 1x = 0
0.5x - 1.5 = 0
0.5x = 1.5
x = 1.5/0.5
x = 3
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