Question

If a marathon runner runs 9.5 miles in one direction, 8.89 miles in another direction, and 2.333 miles in a third direction, how much distance did the runner run?

Answer 1

We have that the total distance covered by the runner is

$d_t=20.723miles$

The total distance covered by the runner is a sum of all miles covered by the runner

Therefore

With

$d_t$=Total distance

$d_t=d_1+d_2+d_3\\\\d_t=9.5+8.89+2.333$

$d_t=20.723miles$

in conclusion

The total distance covered by the runner is

$d_t=20.723miles$

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