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Mathematics 7 Online
OpenStudy (anonymous):

When one U.S. Dollar is worth 1.40 Australian Dollars, which of the following could be used as a conversion factor? a. 50/7 b. 1 2/5 c. 1 4/25 d. 2 3/5

OpenStudy (mathmale):

Let's write that as a fraction:\[\frac{ 1.40~Australian~dollars }{ 1.00~US~dollars }\]Now reduce that fraction (1.40/1.00) as much as you possibly can . What do you get?

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