Answer:
51.6666666667
Step-by-step explanation:
$ 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:

Step-by-step explanation:


3. This problem incorporates an exponent property.
Exponent property used:
, yielding an answer of 
