Bus tickets

Bus ticket for a trip from Prague to Paris cost 2180Kč. A return ticket costs 3930Kč. How much money will save a family of four to go to Paris and back when they purchase a return tickets?

Result

x =  1720 Kc

Solution:

a=2 21803930=430 x=4 a=4 430=1720 Kca=2 \cdot \ 2180 - 3930=430 \ \\ x=4 \cdot \ a=4 \cdot \ 430=1720 \ \text{Kc}



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