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Norma-Jean [14]
2 years ago
10

14:48

Mathematics
1 answer:
puteri [66]2 years ago
8 0

11 kilograms of the same dog food costs $69.85.

Step-by-step explanation:

Step 1:

Paris buys 18 kg of dog food for $114.30. The food can be purchased in 1 kg bags.

If she bought the 18 kg of dog food with 1 kg bags, she would have had to buy 18 such bags.

So we need to calculate the cost of a 1 kg bag.

If 18 bags cost $114.30 we divide it by 18 to calculate the cost of 1kg.

The cost of a 1 kg bad = \frac{114.30}{18} = 6.35.

So a 1 kg bag of dog food costs $6.35.

Step 2:

To calculate the cost of 11 kg of the same dog food, we multiply the cost of a single bag with the number of bags.

If she were to buy the 11 kg through 1 kg bags, she would need to buy 11 such bags.

The cost of 11 kg of dog food  = (11)(6.35) = 69.85.

So 11 kg of dog food would cost $69.85.

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