3 years ago

2.5 kg of potatoes cost £1.40 Work out the cost of 4.25 kg of potatoes. 5.95

Mathematics

1 answer:

kvasek [131]3 years ago

4 0

Answer:

£2.38

Step-by-step explanation:

Write and solve an equation of ratios:

£1.40 2.5 kg

----------- = ------------

c 4.25 kg

Cross multiplying, we get:

(£1.40)(4.25 kg) = (2.5 kg*c), or

(£1.40)(4.25 kg)

c = -------------------------- = £2.38

2.5 kg

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