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Solve floor(r) + r = 12.2 - r.

 Jun 1, 2021
 #1
avatar+121056 
+1

floor (r)  +  r  =  12.2  - r

 

floor (r)  +  2r   =   12.2

 

Note if  r = 4.1    we  have

 

floor (4.1)  + 2(4.1)  =  

 

4  +  8.2  =  

 

12.2

 

 

cool cool cool

 Jun 1, 2021
 #2
avatar+780 
+1

floor(r) + 2r = 12.2

12 < 3r < 13

4 < r < 4.6...

0.2÷2 = 0.1

0.1 for each of the r

given interval (4, 4 2/3) we have r = 4.1


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