Use the Midpoint Formula to estimate the sales of Lulu’s Calculators, Inc. in 2008, given the sales in 2006 and 2010. Assume that Lulu’s Calculators, Inc. sales always follow a linear pattern.

Year |
Sales (in millions) |

2006 |
33 |

2010 |
47 |

millions

Midpoint formula:

Therefore, the sales in 2008 should be around 40 millions.