Question

Rip van Winkle has fallen asleep for a very long time.

Answer 1

Answ 2

Step-by-step explanation:

Answer 2

Answer:

2 weeks.

Step-by-step explanation:

We can solve this problem by just using the given graph.

Notice that the straight line starts at $y=10$, that means in week zero the beard was 10 millimeters long.

First, let's find the constant ratio of change, using two points (0,10) and (20,60)

$r=\frac{60-10}{20-0}=\frac{50}{20}=\frac{5}{2} =2.5$

According to the ratio, every 5 millimeter grows each 2 weeks, in other words, the ratio of growth is 2.5 millimeters per week.

Therefore, the right answer is 2 weeks.