Question

On a backpacking trip through Europe, Troy spent 20 Swiss francs to stay one night in a youth hostel. If the foreign exchange rate between the U.S. dollar and the Swiss franc is 1:2.2, how much did Troy spend in U.S. dollars?
$44
$9.09
$19
$20

Answer 1

\(\Huge\mathbb{WELCOME~2~OPENSTUDY}\)

Answer 2

\[\frac{1}{2.2}=\frac{x}{20}\]\[cross~multiply\]\[20*1=2.2*x\]\[can~you~simplify?\]

Answer 3

Hello Fellow Plato User