Respuesta :

Space

Answer:

r = 15

Step-by-step explanation:

Line segments DG and GM add up to DM:

r + 3 + 4r - 28 = 50

5r - 25 = 50

5r = 75

r = 15

mhanifa

Answer:

15

Step-by-step explanation:

Given:

  • DG = r + 3
  • GM = 4r - 28
  • DM = 50
  • r = ?

Solution:

  • DM = DG + GM
  • r + 3 + 4r - 28 = 50
  • 5r - 25 = 50
  • 5r = 50 + 25
  • 5r = 75
  • r = 75/5
  • r = 15