Question

Dennis can walk 2.833 miles each hour . About how far can he walk in 3 hours and 15 minutes

Answer 1

In 3 hour 15 minutes Dennis will walk 9.2072 miles.

Solution:

It is given that Dennis can walk 2.833 miles each hour. We have to find how far will he walk in 3 hours 15 minutes.

We first convert 15 minutes in hour. To convert 15 minutes in hour we divide 15 by 60.

`\text { Thus } 15 \text { minutes }=(15)/(60) \text { hour }=(1)/(4) \text { hours. }`

Therefore 3 hours 15 minutes can be written as
`3+(1)/(4) \text { hours }=(13)/(4) \text { hours }`

Now,

In 1 hour dennis can walk 2.833 miles

`\ln (13)/(4) \text { hour dennis will walk } 2.833 * (13)/(4) \text { hours }=9.2072 \text { miles }`

Thus in 3 hour 15 minutes Dennis will walk 9.2072 miles.