Question

Dupa ce un calator a strabatut 38km, el a observat ca a mers 19% din intreg drumul.Cati km are tot drumul?

Answer 1

x=drum
38km=19%*x
=>1%=2km=> drum = 200km asta e un caz
sau
38km=19%*x
19/100=38/x
=>19x=3800
x=3800/19
x=200