A dolphin travels a distance 20 miles up the coastline in 153 minutes. If 1 mile is equal to 1609 meters, then what is the dolphin's average speed in meters/second rounded to the
nearest tenth?
+/-
HELP ME PLEASE

3.51m/s

Explanation:

Given parameters:

Distance   = 20miles

         Miles to meters:

             1 mile  = 1609m

              20miles  = 20 x 1609  = 32180m

Time  = 153minutes

             1 min  = 60s

           153min  = 60 x 153  = 9180s

Unknown:

Average speed  = ?

Solution:

To solve this problem;

        Average speed  =  

         Average speed  =   = 3.51m/s