Mathematics
posted by Ryomasa .
Michelle rode her bicycle from her house to her school at an average speed of 8 miles per hour (mph). Later that day, she rode from school back home along the same route, at an average speed of 12 mph. If the round trip took her 1 hour, how many miles long is the round trip.
Respond to this Question
Similar Questions

math
Hannah took a trip yo visit her cousin. She drove 120 miles to reach her cousin's house and the same distance back home. a) It took her 1.2 hours to get halfway to her cousin's house. What was her average speed, in miles per hour, … 
Math
Joseph rode his bicycle for 10 miles. Then he increased his speed to an average of 15 miles per hour for the next h hours. Write an equation for the total distance he rode. thanks in advance! 
Algebra 1
Nico drives from school to the store at 25 miles per hour. He drives back to the school (along the same route) at 35 miles per hour, and the returns to the store (via the same route) travelling at 40 miles per hour. Find the average … 
math algebra
how would i do this problem elina and teresa raced on their bikes to the library after school. they both left at 3:00 pm and bicycled along the same trail elina rode at the speed of 12 miles an hour and teresa rode at the speed of … 
MATH
Bob drove to the store( a distance fo 10.5) miles at ana average speed of 35 mile per hours. On the way home, he got stuck in traffic, and he only averaged 15 miles per hour along the same route. What was his average speed for the … 
math
Over the river and through the woods to grandpa's house the smith grandchildren go. They drive 120miles to reach grandpa's house and the same distance back home. 1) It took 1.2hours to get halfway there. What is their average speed, … 
Math
Alan rode his bike 2.6 miles from home to the park . He rode 6.03 miles to the park. Then he rode back home along the original route. How many miles did Alan ride in all? 
math/ pre algebra
Lydia rode 243 miles in a three day bike trip. On the first day, Lydia rode 67 miles. On the second day, she rode 92 miles. How many miles per hour did she average on the third day if she rode for 7 hours? 
Math
Alan rode his bike 2.6 miles from home to the park. He rode 6.03 miles at the park. Then he rode back home along the original route. How many miles did Alan ride in all? 
math
amara rode her bicycle 8 miles in 0.5 hours.what was the average rate that she rode her bicycle in miles per hour?