1 Answer

Aleksandr Solovey · Answer 1 · 2022-03-31T18:30:30+0000

Answer:

A

Explanation:

DG + GM = DM , substitute values

r + 3 + 4r - 28 = 25 , that is

5r - 25 = 25 ( add 25 to both sides )

5r = 50 ( divide both sides by 5 )

r = 10 → A

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