Verified Answer :

alfas

if 0.4 kg cost 4. 0 dollar
than 1.kg will cost x dollar

x = (1 * 4)/0.4 = 10 dollars

1 kg tomatoes cost 10 dollars

Answer:  The required cost in dollars per kg of tomatoes is $10 per kg.

Step-by-step explanation:  Given that Amy bought 0.4 kg of tomatoes for $4.00.

We are to find the cost in dollars per kg of tomatoes.

We will be using the UNITARY method to solve the given problem.

The cost of 0.4 kg of tomatoes = $4.00.

Therefore, the cost of 1 kg of tomatoes is given by

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Thus, the required cost in dollars per kg of tomatoes is $10 per kg.

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