Respuesta :

Step-by-step explanation:

Question 1:

  • 0.64y = 40.

Question 2:

  • 0.45z = 72
  • z = 72 * (1/0.45) = 160.

Answer:

0.64y = 40.

Question 2:

0.45z = 72

z = 72 * (1/0.45) = 160.

Step-by-step explanation: