Answer:
in the simplest term is:

Step-by-step explanation:
Given the expression

Thus, solving to reduce to the simplest term

LCM of 15, 2: 30
Adjusting fraction based on the LCM
so the expression becomes

Apply the fraction rule: 

Add the numbers: 8+15 = 23

Therefore,
in the simplest term is:

That expression is written like so:
(5 + d)/(12 - w)
The answer to this question is A $1.42 because the first customer paid $12 for 14 postcards
Answer:

Step-by-step explanation:

Combine 

Combine the bottom, too.

Apply the fraction rule

Cancel

Therefore, 
Answer:
26 seats
Step-by-step explanation:
10+10=20 +6 =26