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satela [25.4K]
3 years ago
15

HELPPP MEEE PLZZ ok so If i have 70$ dollars the amout is just right so i can buy 4kg of fish and 3kg of prawn so i bought it an

d my change was $3.50 How much is 1kg of prawn?
Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

x = (66.50 - 4y) / 3

Step-by-step explanation:

Given that:

Amount had = $70

Change collected = $3.50

Total amount spent = $(70 - 3.50) = $66.50

Total amount used for purchasing prawn and fish:

Kg of fish = 4

Kg of prawn = 3

1 kg prawn will cost, x

If 1 kg of fish = y

(Total amount spent - cost of 4 kg fish) / Number of kg of prawn

($66.50 - 4y) / 3

x = (66.50 - 4y) / 3

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