Right! Well done
Hi all;
I just need confirmasion that the answer to the following is 4.6hours.
Jimmy drove to his cabin on the lake andmany hours did the trip there take?
back. It took 0.6 hours longer to go there
than it did to come back. The average speed
on the trip there was 46 km/h. The average
speed on the way back was 52 km/h. How
Thanks.
Ok, look here:
Let the time taken for the return trip be h.
The time for the go trip is then (h+0.6).
The go distance is given by Speed x Time = 46(h+6)
The return distance is the same and is = 52h
Since they are equal, we have:
46(h+0.6) = 52h
46h +27.6 = 52h
27.6 = 6h
h = 4.6 hours
You need to trust in your abilities. The book/solution could have made a mistake or misprinting.