Question

Anton's family drove 216 miles to the lake averaging 48 mi/hr. On the return trip home they averaged 54 mi/hr.

What was the total time that Anton's family spent driving to and from the lake?



A.
8 h


B.
8.5 h


C.
9 h


D.
9.5 h

Answer 1

"drove 216 miles to the lake averaging 48 mi/hr" so how much time for this first leg of trip?

Answer 2

?

Answer 3

distance/time = speed
in this case, u are given distance n speed, so u can find time.

Answer 4

wait divde rifght?

Answer 5

yes, show me how u get the time :)

Answer 6

?
"216 miles...averaging 48 mi/hr" so whats the time plz?

Answer 7

9/2

Answer 8

Oh OK hehee sorry i cant READ :(

Good u got half of the ans already! for the return leg, same distance but the speed is now 54 mi/hr. so wats the time?

Answer 9

??

Answer 10

total travel time = time to + time from = 9/2 hours + return time
use the same equation before to calculate return time. distance is the same but the speed is higher

Answer 11

wait what @jabez177

Answer 12

216 miles
speed is now 54 mi/hr
distance/time = speed

Solve for return travel time

Answer 13

4

Answer 14

good :) so total travel time is...

Answer 15

4

Answer 16

TOTAL = to AND from...4 hrs is the return trip only.

Answer 17

216/4

Answer 18

Nope - read the results of ur calculation above plz
"9/2"
then
"4"
so total time should be...

Answer 19

its c

Answer 20

C is not the right ans :(

Answer 21

4 + 9/2

Answer 22

wait if its not c its d what that gives me 17/2

Answer 23

@bohotness sorry 4 my late reply! D is the right ans :)