Gina walked 2/3 mile to a baseball field from her school. She then walked 1/4 mile home. About how many miles did Gina walk?
1 answer:
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Most graphing calculators will do weighted averages pretty easily. It is mostly a matter of data entry.
mx = -2
my = 10
(x, y) = (mx, my)/10 = (-0.2, 1)
mx = -2
my = 10
(x, y) = (mx, my)/10 = (-0.2, 1)