SOLUTION: William is diving off a platform 10 feet above sea level. William dives at a rate of -3.5 feet per second. How many seconds will it take to reach -21.5 feet? A. 2.5 B. 3.3 C. 7

Algebra ->  Equations -> SOLUTION: William is diving off a platform 10 feet above sea level. William dives at a rate of -3.5 feet per second. How many seconds will it take to reach -21.5 feet? A. 2.5 B. 3.3 C. 7      Log On


   

Question 1091710: William is diving off a platform 10 feet above sea level. William dives at a rate of -3.5 feet per second. How many seconds will it take to reach -21.5 feet?
A. 2.5
B. 3.3
C. 7
D. 9
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Rate x Time = Distance
R%2At=D
t=D%2FR
t=%28-21.5-10%29%2F%28-3.5%29
t=%28-31.5%29%2F%28-3.5%29
Work that out for your answer in seconds.