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:

Step-by-step explanation:
Descended feet:

Ascended feet:

Total elevation:

Answer:1/6
Step-by-step explanation:
Answer:
$25.58 total dollars
Step-by-step explanation:
add 5.50 + 10.75 which equals 16.25 then add 9.33 on to 16.25 and you should get your answer.