Two cars 2

Two cars started from two positions 87 km distant at the same time in opposite directions at speeds 81 km/h and 75 km/h. What was the distance between them after 2 hours 50 minutes of driving.

Correct answer:

x =  529 km

Step-by-step explanation:

$x=87+(81+75)\cdot (2+50\mathrm{/}60)=529\text{ km}$

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