Use the Midpoint Formula to estimate the sales of Dollar Tree Stores,Inc.in 2005,given the sales in 2003 and 2007.Assume that the sales followed a linear pattern. Dollar tree
Year
Sales (in millions)
2003
2200
2007
4283
A)$3241.5 million
B)$3251.5 million
C)$3246.5 million
D)$3256.5 million
E)$3261.5 million

Question

Quizplus · Accepted Answer

The midpoint formula is $\frac{x_1 + x_2}{2}$ for the average of two numbers. Here, $x_1 = 2200$ million and $x_2 = 4283$ million for the years 2003 and 2007, respectively. Thus, the estimated sales for 2005 is $\frac{2200 + 4283}{2} = \frac{6483}{2} = 3241.5$ million.

Use the Midpoint Formula to Estimate the Sales of Dollar