$ per min is a rate. you multiple by minutes to get dollars.
A = 10x
B = 5x + 20
set them equal to find minutes, x.
10x = 5x + 20
10x - 5x = 20
5x = 20
x = 4
Answer:circle
Step-by-step explanation:
Answer:
1 tube of paint = $6
Step-by-step explanation:
check the graph to verify the answer
Answer:
Step-by-step explanation:
Sustituye la variable
y
con
|
x
−
3
|
+
|
x
+
2
|
−
|
x
−
5
|
en la expresión.
s
i
−
2
