The money used in Switzerland is called
the Franc. The exchange rate is $5 for 6
Francs. Find how many dollars you would
receive if you exchanged 18 Francs.

x=$15 put them in form of fractions where $5/6 francs = x(unknown $)/18 francsthen cross multiply numbers6 times x = 6x 5(18)=90 divde both by 690/6=156x/6=xx=15 furthermore to prove it 15/18 can be reduced to 5/6