Friday

April 18, 2014

April 18, 2014

Posted by **Kim** on Tuesday, January 20, 2009 at 11:21pm.

- College math -
**Reiny**, Tuesday, January 20, 2009 at 11:30pmlet the time for the "out-trip" be t hours

then the return trip took 7-t hours

so first distance = 480t miles

return distance = 640(7-t)miles

but aren't the two distances equal ?

so solve

480t = (640(7-t)

then sub your value of t into 480t

**Related Questions**

Math - If jan drove 7 hrs. at 72 miles per hr. and drove 4 hrs. at 68 miles per ...

Algebra - A.Driving from El Paso to San Antonia on a bus ...560 miles traveling ...

8th grade math - Carlos and maria drove a total of 258 miles in 5 hours. Carlos ...

physics - Two steam locomotives are approaching each other, each at 30 mi/hr, ...

Pre Algebra - A consultant traveled 9 hrs to a meeting. The return trip took ...

algebra 1 - A plane trip scheduled between Tampa and St. Petersburg was ...

mAth word problems - Farmer Pete expects to sell 5000 pumpkins this season he ...

Physics - A bus started out going 20 miles per hour on the highway. One hour ...

algebra - could you see if my answers are correct?? if not could you please help...

algebra (21) - A polot flies 630 miles wit a tail wind of 35 miles per hour. ...