Which is a faster speed: 60 miles per hour or 60 kilometers per hour?

Definitely 60 miles per hour

Explanation:

60 mph equals 100 kilometers per hour ( about 100 kilometers per hour )

i am a little confused myself with what goes with the letters and what goes with the numbers but ill do my best to you

the cordillera states and grand canyon are along the southwest u.s. and northern mexican pacific.

the great plains and southwest desert are also the prairie and home to many earthquakes too .

the coastal plains have poor soil and many factories started in the south.

is this what u needed? if not i can see what i can do