Question

ajutor si eu team ajutor pisica.

Answer 1

1)G+P+S=30
G=3*P
S=G:2
P|---|
G|---|---|---|
S|---|---|---|---|---|---|}30

30:10SEG=3
P=3
G=3*3=9
S=3*6=18
 

2)1ZI=24ORE
   3ZILE=72ORE
72ORE-4ORE POPAS=68 ORE
68ORE+INCA 3ZILE=136 ORE
136ORE+INCA3ZILE=204 ORE
204ORE+INCA 3ZILE=272 ORE
DECI O DATA LA TRI ZILE SCAZI 4 ORE.
3)8 barci
5 marinari
70 kg (un marinar)
20 kg o barca goala
Cati marinari erau?         8x 5 = 40
cat cantarea marinarii?  40 x 70 = 2800 kg
cat cantarea barcile?       8 x 20 = 160 kg
cat cantarea barcile cu marinari?   2800 + 160 = 2960 kg
sau 
8 x 5 x 70 + 8 x 20 = 2960 kg