If a figure is dilated by a factor of 5/6 ,the perimeter of the figure will change by a factor of
2 answers:
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Start from
It may be useful to multiply the whole expression by 2, in order to get rid of denominators:
Distribute the negative sign in the left hand side:
Move all terms involving x to the left, and all constants to the right:
Sum like terms:
DIvide both sides -5: