Problema Solution
Guadalupe swam from the surface of the water to 21 feet below the surface in 3 seconds. How many feet per second did she swim?
Answer provided by our tutors
let
d = 21 ft the distance Guadalupe swam
t = 3 sec the time of the swim
v = the average speed
v = d/t
v = 21/3
v = 7 ft/2
Guadalupe swam with average speed of 7 feet per second.