Respuesta :

Answer:

a = 3.5

Step-by-step explanation:

12a = 28 ÷ 2/3

12a = 28 × 3/2

a = 28 × 3/2 ÷ 12

a = 3.5

Answer:

a = 3.5

Step-by-step explanation:

12a = 28 ÷ 2/3

12a = 28 × 3/2

a = 28 × 3/2 ÷ 12

a = 3.5