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An automobile repair shop takes approximately 0.4 hour to change the oil in a car. What is the total number of minutes in 0.4 hour?

Sagot :

[tex]1 \ hour = 60 \ minutes \\\\0.4 \cdot 60 = 24 \ minutes[/tex]


0.4 hour x 60 minutes
               __________  = 24 minutes
                   1 hour