Question

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

Answer 1

$x - drumul \\\\ 38=19\%*x\\\\38= \frac{19x}{100} \\ \\ 19x=38*100 \\ \\ 19x=3800 \\ \\ x=3800:19 \\\\ \boxed{\bold{x=200 \ km}}$