Question

Aldrin is going to watch a baseball game along with his cousin who lives in the next town. He drove his car at a speed which is 6 kilometers per hour faster than the speed of his brother, who is riding a bicycle. They left their respective houses at the same time, and they also arrived at the baseball stadium at the same time. If Aldrin drove a distance of 16 km and his cousin rode 12 km, how fast did Aldrin drive?

Answer 1

If Aldrin drove a distance of 16 km and his cousin rode 12 km, how fast did Aldrin drive is: 24 kilometers per hours.

Distance

Let x+6 represent Aldrin

Let x represent Aldrin brother

Hence:

16/x+16=12/x

16x=12(x+6)

16x=12x+72

Collect like terms

4x=72

Divide both side by 4x

x=72/4

x=18

Hence:

x+6 where x=18

18+6=24  kilometers per hours

Therefore If Aldrin drove a distance of 16 km and his cousin rode 12 km, how fast did Aldrin drive is: 24 kilometers per hours.

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