👤

Un muncitor face o piesa in 12 min.El va realiza 15 piese in ....ore

Răspuns :

1 piesa ...... 12 min
15 piese ....... x min

x= 15×12= 180 minute= 3 ore
Salut,


1 piesa ... 12 minute
15 piese ... x minute
............................................
Sunt marimi direct proportionale

x = 12·15 <=> x = 180 minute

60 minute = 1h <=> 180 minute = 3h