Tally Lake is 11.25 miles long. Mary starts at one end and kayaks toward the other end, paddling at a constant rate of 2.5 miles per hour. At the same time, Ann starts out from the opposite end and paddles toward Mary at a constant rate of 2 miles per hour. How long will it take for the girls to meet?

Answer 1

they are closing the distance at the rate of 4.5 mph

time to meeting = 11.25 mi / 4.5 mph

Answer 2

so its 2.5 hours?

Answer 3

Yes its 2.5 hours