Respuesta :
Each tie would cost $7
(s=each shirt t=each tie)
4s+6t=70
2s+4t=42
6•7=42
70-42=28
28/4=7
4•7=28
42-28=14
14/2=7
Each tie costs $7 and each shirt also costs $7.
Each tie would cost $7
(s=each shirt t=each tie)
4s+6t=70
2s+4t=42
6•7=42
70-42=28
28/4=7
4•7=28
42-28=14
14/2=7
Each tie costs $7 and each shirt also costs $7.
