brokeninfinity111 brokeninfinity111
  • 22-10-2021
  • Mathematics
contestada

what is the cost of 2.5kg at 18p per 1/2 kg plz help

Respuesta :

jeleahallahan27
jeleahallahan27 jeleahallahan27
  • 22-10-2021

Answer:

2.5  * 1/2 or 0.5 = 1.25 * 18 = 22.5

Step-by-step explanation: 22.5

Answer Link
mhanifa
mhanifa mhanifa
  • 22-10-2021

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
Answer Link

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