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mayo runs m miles each day. De'Anthony runs twice as many miles is Mako. Altogether, they run 18 miles each day. How many miles
2 answers:
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Split up the interval [0, 2] into 4 subintervals, so that
Each subinterval has width . The area of the trapezoid constructed on each subinterval is
, i.e. the average of the values of
at both endpoints of the subinterval times 1/2 over each subinterval
.
So,