A and B take part in a 500 m race.

A runs at 24 km per hour.

A gives B a start of 40 m and still beats him by 15 seconds.

What is the speed of B?

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A and B take part in a 500 m race.

A runs at 24 km per hour.

A gives B a start of 40 m and still beats him by 15 seconds.

What is the speed of B?

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