Answer:
32000-2500x, let x equal number of minutes.
Step-by-step explanation:
Answer:
28 is your answer
Step-by-step explanation:
you start with multiplication and continue with addition and then go to subtraction
Answer:
(a) 
(b) 
Step-by-step explanation:
Given

Solving (a): Simplify

Open brackets

Collect Like Terms

Simplify Like Terms

Solving (b): Simplify when a = 2 and b = -1





Hence:

Answer:
Find the smallest multiple the denominators have in common
30
Expand each fraction so that the denominators are 30

Add or subtract the numerators and keep the same denominator

Simplify
