Go to a local supermarket and find the prices of a few staples, such as bread, milk, juice, and coffee. Compute the total cost of those items. Then go to a few small convenience stores and find the prices of the same items. Using the supermarket total as the reference value, compute the index numbers for the convenience stores.

Housing Price Index. Realtors use an index to compare housing prices in major cities. The index numbers for several cities are given in the table below. In Exercises, use the following to find the price of a home in the given town.

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price (other town) price (given town) * index in given town index in other town City Index City Index Atlanta Las Vogas Los Angeles Miami 100 115 Boston 146 190 Chicago 105 161 Dallas 121 Phoenix 122 Denver 136 San Francisco 172