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How many values of r are there such that floor(r) + 2r = 15.5?

 Feb 15, 2021
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Let  r    = 5.25

 

Floor(5.25)   = 5

 

2(5.25)  =  10.5

 

5 +  10.5   =    15.5

 

See here  :   https://www.desmos.com/calculator/q4o16dueik

 

 

 

cool cool  cool

 Feb 15, 2021

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