Answer:
2x+23
Step-by-step explanation:
Y = 3.5x
24= 3.5x
the train will be ride 6 times each day
and there are 7 days in a week
so multiply 6 and 7
=42
Answer:
54
Step-by-step explanation:
Answer:
and 
The ordered pair solutions are
,
,
, and
.
Step-by-step explanation:
I'm assuming the system is
:


























Therefore,
and 
The ordered pair solutions are
,
,
, and
.