You should pick none of the above
80*x + 210 = 490 ;
80*x = 280 ;
x = 280÷80 ;
x = 3.50 ;
Answer:
2 hours and 48 minutes
Step-by-step explanation:
Time = Distance/Speed
= 84/30
= 2.8 hours
To convert 2.8 hours into hours and minutes, 2.8*60 = 168 minutes. Therefore the time taken to travel 84miles is 2 hours and 48 minutes