Question

Luigi estimates that he can travel at an average of 70 km h-1 between his house and the
nearest town, 87 km away. On one particular journey it took him 1 hour and 20 minutes. Calculate his average speed for this journey

Answer 1

87/ 1 1/3

Answer 2

.2 hours is 12 min

Answer 3

I'm terrible with time conversions

Answer 4

how do I find that?

Answer 5

r = d/t\[r=\left(\frac{87}{1+1/3}\right)=\frac{261}{4}=65.25 \text{ km}/\text{hr} \]