Question

At the same time, Sam and Fred who are 168 miles apart begin moving toward each other. Find the number of hours before they meet if Sam runs 12 mph and Fred runs 9 mph.

Answer 1

ratio of speeds sam : fred is 4:3

so when they meet sam would have run 4/7 of the distance and fred 3/7

for sam that is 4/7 * 168 = 96 miles

Answer 2

so how long does it take sam to run 96 miles?

Answer 3

knowing he runs at 12 mph

Answer 4

96/12 right?

Answer 5

thats 8 hours

Answer 6

they meet after 8 hours

Answer 7

thats a long run!!!!