Răspuns :
15 kg lamai .............. 9 l suc
x kg lamai .................15 l suc
x = 15 x 15 : 9 = 25 kg lamai
x kg lamai .................15 l suc
x = 15 x 15 : 9 = 25 kg lamai
15kg......................9l
xkg....................15l
x=15*15/9=225/9=25kg de lamai se obtine 15l suc
xkg....................15l
x=15*15/9=225/9=25kg de lamai se obtine 15l suc