Ethan and Ava ride their bikes in opposite directions from the same point. Ethan rose 2.5 miles every 10 minutes and Ave rode 5.5 miles every 30 minutes. How far apart are Ethan and Ava after 1 hour? after 2.5 hours?
The speed of Ethan is 2.5 miles / 10 minutes = 0.25 miles/minute The speed of Ava is 5.5 miles / 30 minutes = 0.183 miles/minute
After 1 hour The distance traveled by Ethan is 0.25 miles/minute x 60 minutes = 15 miles The distance traveled by Ava is 0.183 miles/minute x 60 minutes = 10.98 miles Therefore, they are 15 miles + 10.98 miles = 25.98 miles
