There is a total of 30 erasers
1. You have that the speed is:

Where
is the distance and
is the time.
2. Tory pilots her boat
before docking, therefore, his time is

3. Emilio continues for another
, with a total of
before docking. Therefore, his time is:

4. And his speed is:

5. Solve for
and substitute the value into the formula of Tory's time:

The answer is: 
Answer:
y≥-3x+4
Step-by-step explanation:
Answer: p•5+2= Tape rolls
Step-by-step explanation: