Question

In 1998, Journeys sold 15 million pairs of Vans across the

U.S. In 2008, Journeys sold 45 million pairs of Vans. What
was the average rate of change in shoe sales for the store?

Answer 1

Given:

In 1998, Journeys sold 15 million pairs of Vans.

In 2008, Journeys sold 45 million pairs of Vans.

To Find:

The average rate of change in show sales for the store.

Formula:

Final year : 2008

Initial year : 1998

Final sale : 45 million

Initial sale : 15 million

Average sales = Final sale - Initial sale / Final year - Initial year

Step-by-step explanation:

Average sales = 45 million - 15 million / 2008 - 1998

Average sales = 30 million / 10 years

Average sales = 3 million / 1 year

Answer:

The average rate of change in show sales for the store is 3 million per year.

Answer 2

• 3 million/year

Step-by-step explanation:

Average rate of change is the slope in same interval:

• (45 million - 15 million)/(2008 - 1998) years=
• 30 million / 10 years =
• 3 million/year