You can use a unit rate.
(3000 yd)/(15 minutes) = 200 yd/minute
Now multiply the unit rate by 6 minutes.
200 yd/minute * 6 minutes = 1200 yd
The question asks for feet, so we convert the answer to feet using 1 yd = 3 ft.
1200 yd * (3 ft)/yd = 3600 ft
Answer: 3600 ft
