Math
posted by Kim .
Samantha's speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h how fast can she drive?

1 kilometer = 0.621 mph. Multiply 55 mph by 0.621 = 34.16 kph, so @ 35 kph.

I'm afraid that Ken got it backwards. Samantha can go about 88 km per hour.
http://www.convertunits.com/from/miles/to/km