Answer: The answer is: " 240 mi. " .
_______
Step-by-step explanation:
To solve using a technique known as "dimensional analysis":
_______
→ " [tex]\frac{60 mi}{1 hr} * \frac{4hr}{1} =[/tex] ? mi
→ On the "left-hand side" of the equation; the units of "hr" ["hour(s)"] "cancel out"; since: "hr/hr = 1 " ;
→ and we are left with: " (60 mi * 4 )" = " 240 mi ".
_______
The answer is:
→ " 240 mi " . {Note: "mi " is the abbreviation for "mile(s)".}.
_______
Hope this helps!
Best of luck to you!
_______
