Answer:
The dolphin speed in miles per hour is 6
Step-by-step explanation:
we know that
1 mi=1,609.34 m ------> 1 m=1/ 1,609.34 mi
1 h= 3,600 sec ----> 1 sec=1/3,600 h
we have
[tex]2.68\frac{m}{sec}[/tex]
Convert to mi/h
[tex]2.68\frac{m}{sec}=2.68\frac{(1/1,609.34)}{(1/3,600)}=6\frac{mi}{h}[/tex]
