Saturday

December 20, 2014

December 20, 2014

Posted by **sydneeey** on Tuesday, November 18, 2008 at 10:03pm.

- algebra -
**Reiny**, Tuesday, November 18, 2008 at 10:07pmlet the time traveled by truck A be t hours, then A went 80t km

clearly the time traveled by truck B must be t-4 hours,

Didn't he then go 90(t-4) km

Now I wonder how far each of them went, ...

mmmmhhh?

- algebra -
**bobpursley**, Tuesday, November 18, 2008 at 10:07pmThe distance they travel is the same, and the time is 4 hours different.

DistanceA=80*time

DistanceB=90*(time-4)

set them equal, and solve for time. That is the total time, if you want the time B was traveling, subtract four hours.

**Answer this Question**

**Related Questions**

Math - A refrigerated truck leaves a rest stop traveling at a steady rate of 56 ...

math - At 9:00 a.m. a truck leaves the truck yard and travels west at a rate of ...

Math - A truck traveling at an average rate of 45 miles per hour leaves a rest ...

Physics - A 2600 kg truck traveling at 72 km/h slams on the brakes and skids to ...

physics - 3) A truck is traveling at 35 m/s. Because of an obstruction on the ...

physics - The driver of a 1024 kg truck traveling 32.6 m/s North on I-77 has to ...

physics - The driver of a 1024 kg truck traveling 32.6 m/s North on I-77 has to ...

physics - A 4000 kg truck traveling at constant velocity and a braking force of ...

Algebra - A tourist bus leaves Richmond at 1:00 P.M. for New York City. Exactly ...

MATH - Two truck drivers leave a cafe at the same time, traveling in opposite ...