Respuesta :

it is given keimon travels 28 miles in 36 minutes

so its speed is = distance/ time

= 28 / 36

= 7/9 miles per minute

the time to travel 38 miles will be = distance/ speed

[tex]=\frac{38}{\frac{7}{9}}=\frac{38\times9}{7}=\frac{342}{7}[/tex]

so the time is 342/7 minutes

now we will convert it into hours

60 minutes = 1 hours

1 minute = 1/60 hours

342/7 minutes =

[tex]\begin{gathered} =\frac{1}{60}\times\frac{342}{7} \\ =0.81 \end{gathered}[/tex]

it will take 0.81 hours to ride 38 miles.