Find the circumference of each circle for the given radius r or diameter d. Use pi=22/7
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3/8 mile in 3/5 hour
we want to find miles per hour or m/1h
convert 3/5 to 1 by multiplying it by 5/3
keep the fraction the same by multiply ing the whole thing by
to get
=
=5/8 miles per hour
we want to find miles per hour or m/1h
convert 3/5 to 1 by multiplying it by 5/3
keep the fraction the same by multiply ing the whole thing by