Answer:
78×31%= approximately 24 years
Step-by-step explanation:
Given :
Everyday Isabel swims 10-20 laps in a 50 meter pool.
The amount of time she spends swimming is represented by the function f(x) = 3x .
To Find :
The speed of Isabel.
Solution :
Distance travelled in x laps is, D = 50x .
It is given that time taken is, t = 3x .
So, speed of Isabel is given as :

Hence, this is the required solution.
The answer to that one is the first box definitely
Please further explain your question...
Answer:
2
Step-by-step explanation: