johnathanmiller1 johnathanmiller1

11-01-2017
Mathematics

contestada

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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Аноним Аноним

11-01-2017

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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apologiabiology apologiabiology

11-01-2017

ok, exccahnge rate is
84.1y=$1 or
$1/84.1y=1

so
4205y times $1/84.1y=$4204/84.1=$50

excatly $50 us dollars

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