SOLUTION: a minibus taxi travels at 70 km.h^-1 for x hours and then at 80 km.h^-1 for (x/2 +3). If the total distance traveled is 460 km, find the value of x.

Algebra.Com
Question 841897: a minibus taxi travels at 70 km.h^-1 for x hours and then at 80 km.h^-1 for (x/2 +3). If the total distance traveled is 460 km, find the value of x.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
a minibus taxi travels at 70 km.h^-1 for x hours and then at 80 km.h^-1 for (x/2 +3). If the total distance traveled is 460 km, find the value of x.
----
distance = rate*time
distance + distance = distance
70x km + 80((x/2)+3) = 460
70x + 40x + 240 = 460
110x = 220
x = 2
================
Cheers,
Stan H.
============================

RELATED QUESTIONS

A man walks for 12 km at x km/h and then jogs for another 12 km at (x + 2) km/h. He... (answered by alicealc)
A person traveling 210 km by car drove the first part at 100 km/h and the rest at 80... (answered by richwmiller)
john drove part of a 260 km trip at 80 km/h and the rest at 100 km/h. find the distance... (answered by checkley71)
John drove part of a 260 km trip at 80 km/h and the rest at 100 km/h. Find the distance... (answered by ankor@dixie-net.com)
A bus travels at x km/h for 30 minutes and then travels a further k km for 1/4 hour. The... (answered by macston)
You fly in a helicopter for 20 minutes that goes at a speed of 240 km/h how far did you... (answered by Gogonati)
A car traveled at an average speed of 90km/h for 2 hours. It then traveled at an average (answered by JulietG)
: a car travels at a speed of 30 km/h for 30 minutes and then at a speed of 45 km/h .... (answered by josmiceli)
a man travels x km at 3 km/h but does the return journey at 2 km/h. if the round trip... (answered by ankor@dixie-net.com)