Question

a turtle walks a mile for 50 minutes. is the unit rate when the turtle's speed is expressed in miles per hour.

Answer 1

If a turtle move 1 mile every 50 minutes then the miles per hour its moving is %90

Answer 2

The answer is:  " 3.6 mi / h " ; or, write as:  " 3 ⅗  mi / h " .
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Explanation:
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1 mile per 50 min.  ;  or,  1 mi./50 min. ;  

→ Convert to "mi. per hr." or, "mi./ h"
   (also abbreviated "mph" ; but let's use "mi/h" to avoid confusion.
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Note:  The exact conversion:  60 min. = 1 h .
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 (1 mi / 50 min) * (60 min / 1 hr) = (60/50) mi/h ;
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                                 =    6/5  mi/h ;
______________________________________________________                                                =  " 3.6 mi / h " ; or, write as:  " 3 ⅗  mi / h ".
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