Răspuns :
a) 8 ore......12 zile
6 ore......x zile
Marimi Invers Proportionale
x=(8×12):6=> x=96:6=>x=16 zile
b) 8 ore......12 zile
x ore...... 24 zile
Marimi Invers Proportionale
x=(8×12):24=>x=96:24=>x=4 ore