Saturday

February 28, 2015

February 28, 2015

Posted by **john** on Monday, July 23, 2012 at 12:00am.

- math -
**Reiny**, Monday, July 23, 2012 at 8:37amlet his speed be x mph

time for first trip = 18/x

time for 2nd trip = 23/x

23/x - 18/x = 1

5/x=1

x = 5 mph

check:

to go 18 miles at 5 mph takes 3.6 hrs

to go 23 miles at 5 mph takes 4.6 hrs, which is 1 hour more

**Answer this Question**

**Related Questions**

College algebra - A cyclist bikes at a constant speed for 18 miles. He then ...

algebra - Sheila leaves her home to go to her sister's house, which is a 24-mile...

Math- Multi-step word problems - A plane traveling from Phoenix to Washington, D...

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 ...

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

Algebra - You commute 56 miles one way to work. The trip to work takes 10 ...

math - You commute 56 miles one way to work. The trip to work takes 10 minutes ...

Algebra - You commute 56 miles one way to work. The trip to work takes 10 ...

Algebra - You commute 56 miles one way to work. The trip to work takes 10 ...