What is the rate and unit rate of 420 miles in 7 hours?

2 Answers
Sep 12, 2016

Unit rate is 6060 miles per hour.

Explanation:

As in 77 hours, distance covered is 420420 mile

in 11 day distance covered is 420/74207

= (6xx7xx10)/7=(6xxcancel7xx10)/1cancel7=6xx10=60

Hence, unit rate is 60 miles per hour.

Sep 18, 2016

60 miles/hour

The unit is 1 hour so the unit rate is 60miles per hour

Explanation:

color(brown)("Speed (velocity) is measured in Miles per hour.")

This means that we have the count of miles traveled in 1 hour.
In mathematical terms it is written as:

" "("miles")/("hour") ->("distance")/("time")
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Let the count of miles traveled in 1 hour be x

color(magenta)("Treat as a ratio in that:")

=>("distance")/("time") ->420/7 -=("miles traveled")/1

color(white)(.)

" "("miles traveled")/1=(420-:7)/(7-:7)

color(white)(.)

" "("miles traveled")/1= 60/1color(white)(..)("miles")/("hours")-> miles/hour

The unit is 1 hour so the unit rate is 60miles