Question

if matthew wants to lose 20 lbs. what must he do?
seguir una dieta mal balanceada.
seguir una rutina.
seguir una dieta balanceada.

Explanation:

A balanced diet is essential for weight loss as it provides necessary nutrients while controlling calorie intake. A routine alone doesn't ensure weight loss without proper diet. An unbalanced diet would likely hinder weight loss goals.

Answer:

Seguir una dieta balanceada.