Respuesta :

Answer:

2.5  * 1/2 or 0.5 = 1.25 * 18 = 22.5

Step-by-step explanation: 22.5

Answer:

  • 90 p

Step-by-step explanation:

Use ratios:

  • 1/2 kg ⇒ 18p
  • 2.5 kg ⇒ x

Find x by cross - multiplication:

  • 1/2x = 18*2.5
  • x = 2*45
  • x = 90