Respuesta :

Intriguing456

Answer:

20 kg of body fat

Step-by-step explanation:

Multiple both sides of the ratio so that the side with body mass is 60 kg:

body fat   :   body mass

     1          :          3

  × 20               × 20

 20 kg     :         60 kg

Mrs. Jones has 20 kg of body fat.
her body fat would be 20kg as her body mass has multiplied by 20 and you do the same on both sides and 1 x 20 = 20

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