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Mathematics, 19.11.2020 02:40 khalfani0268

. The values of the US dollar (x) and a foreign currency (y) vary directly according to the formula: y = 2.5x How many units of the foreign currency would someone receive in exchange for 150 US dollars?

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. The values of the US dollar (x) and a foreign currency (y) vary directly according to the formula:...
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