Question

6 sticle de suc si 4 sticle de apa costa 38 de lei2 sticle de suc si 4 sticle de apa costa 18 lei

Answer 1

6 sticle suc....4 sticle apa....38 lei
2 sticle suc....4 sticle apa....18 lei
6-2=4 s suc
38-18=20 (4 s suc)
20:4=5 lei o sticla suc
5×6=30 lei
38-30=8 lei ( 4 s apa)
8:4=2 lei o sticla apa
V 6×5+4×2=30+8=38

Answer 2

1. Lei 4 sticle de suc : 38-18=20
2. Lei o sticlă de suc : 20:4=5
3. Lei 2 sticle de suc : 2×5=10
4. Lei 4 sticle de apă : 18-10=8
5. Lei o sticlă de apă : 8:4=2