Lazor Lazor
  • 14-01-2021
  • Mathematics
contestada

2.5 kg of potatoes cost £1.40
Work out the cost of 4.25 kg of potatoes.

Respuesta :

amanda777 amanda777
  • 14-01-2021

Answer:

£2.38

Step-by-step explanation:

£1.40 divided by 2.5kg = 0.56

0.56 x 4.25kg = £2.38

Answer Link
Аноним Аноним
  • 14-01-2021
This is a case of Direct Proportion.
2.5 : 1.4
4.25 : x
where x is the cost of 4.25 kg of potatoes
= 2.5/1.4= 4.25/x
= x= (4.25*1.4)/2.5
= x= 2.38
Thus the cost of 4.25 kg of potatoes is £2.38
Answer Link

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