Math Homework Reasoning

Mathematics
Tutor: None Selected Time limit: 1 Day

Dennis is 2 inches taller than Mica. and 1 inch shorter than Rosa.  Is Rosa shorter than Mica or taller than Mica?  How much shorter or taller?

May 13th, 2015

Let Denis's height be x.

Dennis is 2 inches taller than Mica

So, Mica's height = x - 2


Dennis is 1 inch shorter than Rosa

So, Rosa's height = x + 1


(x + 1) > (x - 2)

So, Rosa is taller than Mica.


Difference in height = (x + 1) - (x - 2) 

Difference in height = x + 1 - x + 2 

Difference in height = 3 inches 

So, Rosa is taller than Mica by 3 inches.


May 13th, 2015

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May 13th, 2015
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