contestada

Cher travels 78 miles per hour. How long does it take her to travel 13miles? Your answer should be in hours, accurate to at least the nearesttenth.

Respuesta :

Cher travels 78 miles per hour

this means in

1 hour se has travel 78 miles

13 miles of travel to hours is given by

[tex]13miles*\frac{1hour}{78miles}[/tex][tex]\frac{13}{78}hours[/tex]

notice how the units 'miles' are cancelled

then

[tex]\frac{13}{78}=0.1666[/tex]

then rounded to the nearest tenth

Cher takes 0.2 hours to travel 13 miles

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