Two trains leave a station at the same time, heading in the opposite directions. ok be train is traceling at 80 kilometers per hour, the other at 90 kilometers per hour. how long will it take for the trains to be 425 kilometers apart

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68719476736

step-by-step explanation:

8*8*8*8*8*8*8*8*8*8*8*8=68719476736

answer: the correct option is d.

explanation:

it is given that the triangle j'k'l' shown on the grid below is a dilation of triangle jkl using the origin as the center of dilation.

from the given graph it is noticed that k(4,8) and k'(2,4). let origin is defined by o and scale factor is defined by k, then

    (1)

distance formula,

put these values in equation (1).

therefore scale factor is     and option d is correct.