ACT Math · Ratios, rates, and percents

If 1 US dollar is equivalent to 0.92 euros, approximately how many US dollars is 138 euros equivalent to?

If 1 US dollar is equivalent to 0.92 euros, approximately how many US dollars is 138 euros equivalent to?

Answer and explanation

Answer: G: 150.00

Each US dollar is worth 0.920.92 euros, so to convert euros to dollars divide by 0.920.92: 1380.92=150\frac{138}{0.92}=150 dollars, choice G. Check: 150(0.92)=138150(0.92)=138. Choice F (126.96126.96) multiplies 138138 by 0.920.92, which goes in the wrong direction. Choice H (127127) is a rounded version of the same mistake. Choice J (146.90146.90) comes from adding about 8%8\% to 138138 instead of dividing. Since a euro is worth more than a dollar, there are more dollars than euros for the same value, so the answer must be above 138138.

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