A car is traveling at a speed of 50 meters per second. What is the cars speed in kilometers per hour? How many kilometers will the car travel in 3 hours?

The car is going 180 kph. In three hours the car would travel 540 kilometers. Hope this helps.

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,