Answer:
5x/2
Step-by-step explanation:
Say the mystery number is "x"
5 times that = 5 * x = 5x
Then the quotient (that means the result of division, so divide!) of that and 2 would give you: 5x/2
I want to say that shows a decreasing interval, since it is going downwards.
Answer:
-18
Step-by-step explanation:
*2, *(-2), *2, *(-2) ...