3 years ago

The costs of Brand A and Brand B coffee beans are $400/kg and

Mathematics

1 answer:

Aneli [31]3 years ago

3 0

Answer:

The ratio of x:y is 1/2

Step-by-step explanation:

Let

x----> the number of Kg of brand A

y ---> the number of Kg of brand B

we know that

400x+280y=320(x+y)

400x+280y=320x+320y

400x-320x=320y-280y

80x=40y

x/y=40/80

x/y=1/2

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