How would you describe the us dollar if the forein exchange rate between the us dollar and british pound changed from 1: 1 to 1: 0.7?

The first ratio is

That is, 1 US Dollar equals 1 British Pound.

Then, the last ratio is

Which means that for one US Dollar you would get 70 cents of a British Pound.

As you can see, the second represents a devaluation of the US Dollar against the British Pounds. It has a lower value.

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step-by-step explanation:

i took the test: )

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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