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A bus P leaves Kisumu at 8 a.m travelling towards Nairobi at an average speed of 70 km/hr.

      

A bus P leaves Kisumu at 8 a.m travelling towards Nairobi at an average speed of 70 km/hr. A matatu Q leaves Kisumu at 9 a.m travelling towards Nairobi at an average speed of 110 km/hr find the distance travelled by Q from Kisumu when it catches up with P.

  

Answers


John
Distance traveled by P from 8

-9.00 a.m.

= $\frac{70 km}{hr}$ x 1 hr = 70 km

Time taken by Q to overtake

P:t = $\frac{70}{110 \; - 70}$ = $\frac{70}{40}$

= $\frac{7}{4}$ hours

Distance traveled by Q before

overtaking P

= 110 x $\frac{7}{4}$ = 192.5 km
johnmulu answered the question on March 7, 2017 at 05:27


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