Răspuns :
20muncitori......................24zile
15muncitori........................x zile
Faci asa; 15x24
20
Aplici regula de trei simpla
20 muncitori..................... 24 zile
15 muncitori..................... x zile
sunt direct proportionale
[tex] \frac{20}{15} [/tex] =[tex] \frac{24}{x} [/tex] => x= [tex] \frac{24*15}{20} [/tex] => x=[tex] \frac{360}{20} [/tex] => x= 18 zile
20 muncitori..................... 24 zile
15 muncitori..................... x zile
sunt direct proportionale
[tex] \frac{20}{15} [/tex] =[tex] \frac{24}{x} [/tex] => x= [tex] \frac{24*15}{20} [/tex] => x=[tex] \frac{360}{20} [/tex] => x= 18 zile