Statistics do not exist that break down the figure that narrow a range.
the relevant material density is missing.
3 children per hour in the us alone
my babysitter makes 100 dollars per 5 kids
I think $20 would be good. It would also depend on how many kids. You can work out a price with the babysittter. But maybe $4 and hour per kid sounds good.
10 miles per hour is 16k per hour.
879.7 kilometers per hour.
127.38109440865345 Miles per Hour
1.60934 km per hour
48.28 kilometers per hour.
One km per hour is equal to 0.6214 miles per hour.
228 meters per hour = 0.14 miles per hour.
There is no such thing as a "missing .901 of an hour". If anybody told you the Earth rotated 1000 miles per hour at the equator, then that is an approximation. Divide the circumference by 24 to get a more exact value.