Question #98ad5

1 Answer
Alan P.
Oct 25, 2017

#{11/20,7/10,17/20}#

Explanation:

The midpoint between #2/5# and #1#
is the arithmetic average #(2/5+1)/2=((2+5)/2)/2=7/10#

Then we need to find the midpoint between this midpoint and each of the lower and upper limits:

#(2/5+7/10)/2=((4+7)/10)/2=11/20#
and
#(7/10+1)/2=((7+10)/10)/2=17/20#

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