Answer:
D.
Step-by-step explanation:
First, multiply straight across and put everything together:
Notice we can simplify by cancelling a b and reducing 3/12:
This cannot be simplified further.
$180
.3 * 600
The difference between the flat fees of the two companies is $20
i think if its on a graph
15:20
15/20
15 to 20
there are 3 types of ways and there you go.
have a great day ! :)
