RELACION DIRECTA E INVERSAMENTE PROPORCIONAL 1C

 

https://es.khanacademy.org/math/1-secundaria-pe/xc734090530553e83:algebra-proporcionalidad-directa-e-inversa/xc734090530553e83:introduccion-a-las-relaciones-directamente-proporcionales/v/introduction-to-proportional-relationships

EJERCICIOS

https://es.khanacademy.org/math/pre-algebra/pre-algebra-ratios-rates/pre-algebra-constant-of-proportionality/e/constant-of-proportionality-from-tables