Sunday

February 1, 2015

February 1, 2015

Posted by **Coco** on Wednesday, August 22, 2007 at 3:24pm.

- Math -
**Ms. Sue**, Wednesday, August 22, 2007 at 3:30pmIt seems to me that you need the average of 10 and 8.

18/2 = 9 mph

- Math -
**Reiny**, Thursday, August 23, 2007 at 9:01amNo, it's not that simple

Time for first trip = x/10

time for second trip =x/8

distance of total trip = 2x

rate = total distance/total time

=2x/(x/10 +x/8)

=..

=..

=8.88 mph

- Math -

**Answer this Question**

**Related Questions**

math - A cyclist bikes x distance at 10 miles per hour and returns over the same...

math - 18. A cyclist bikes x distance at 10 miles per hour and returns over the ...

mathematics - a cyclist bikes over a path at 10 miles per hour. he returns over ...

maths - A motorist travels 120 miles to his destionation at an average speed of ...

algebra word problem - A long distance runner starts at the beginning of a trail...

Math word problem - Two cyclists start biking from a trail's start 3 hours apart...

bob help - how do u come up w/the answer? Two cyclists start biking from a trail...

algebra - Two cyclists start biking from a trail's start 3 hours apart. The ...

maths - Two cyclists start biking from a trail's start 3 hours apart. The second...

Algebra 1 - Nico drives from school to the store at 25 miles per hour. He drives...