Answer:
John = 9
Kim = 6
Vanessa = 3
Step-by-step explanation:
John = n
Kim = n - 3
Vanessa = 0.5n - 1.5
Add them:
2.5n - 4.5 = 18
2.5n = 22.5
n = 9
Answer:
-510
Step-by-step explanation:
Below the sea level should be represented by negative sign.
So, -510
Answer:
374p
Step-by-step explanation:
22*17p=374p
Answer:
More than 20. I'll be more precise. There are 24 ways.