Question

o pruna cantareste cate 4 nuci.o para cantareste cat 3 prune,iar un gralefruit cat 2 pere.cate nuci vor cantari cat un grapefruit?a)20,b)24,c)9,d)18

Answer 1

X=prune
Y=para
Z=Grapefruit

X=4 nuci
Y=3X
3X=3×4 nuci
3X=12 nuci
Y=12 nuci
Z=2Y
2Y=2×12
2Y=24
Z=24