7/10 of the coordinates (-4,-6) (12,5) is given as (11.2, 1.7)
we have -4 + 12 = 16
7/10 of 16
= 11.2
11.2 + -4 =
7.2 for the x coordinate
from -6 to 5 = 11 units
7/10 * 11 = 7.7
7.7 - 6 = 1.7
hence the point 7/10 from the coordinates a to b = (11.2, 1.7)
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