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30 January, 21:43

One us dollar is currently worth 84.1 japanese yen (¥). if you exchange ¥4,205 for us dollars, how much will you have?

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  1. 30 January, 21:55
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    1 / 84.1 = x / 4205 ... 1 dollar to 84.1 yen = x dollars to 4205 yen

    cross multiply because this is a proportion

    (84.1) (x) = (1) (4205)

    84.1x = 4205

    x = 4205 / 84.1

    x = 50 ... so 4205 yen = $ 50 <===
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