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Go over dropbox. Homework #1. Create a table in Excel showing the amount you spend in the first column with the corresponding overall savings in the second column (keep in mind the membership fee).  In the spend column, start with zero dollars and go up to \$600 in increments of \$100. .

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Go over dropbox.

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Go over dropbox.

### Homework #1

Create a table in Excel showing the amount you spend in the first column with the corresponding overallsavings in the second column (keep in mind the membership fee).  In the spend column, start with zero dollars and go up to \$600 in increments of \$100.

2c. How much confidence do you have in your prediction? Why?  (Write a few sentences using the three guidelines we learned in class.)

Activity 2 into Activity 3.

### Also from Activity 2 Percent Increase / Decrease

Percentage Increase:    On August 12, 2005, one share of Lucent stock cost \$2.95.  On September 8, 2005, the stock closed 7.8% higher.  What was the cost of one share of Lucent stock on September 8th?

If in 2001 Cape Town had a population of 2.89million people and the population grew by 4% from 2001 to 2010, what is the population in 2010?

Ferrari Enzo - \$1,000,000

If after tax it costs \$1,097,500,

what is the tax percentage?

The Lexus, LX470 costs 24% more than the Mercedes, ML500.  If the price of the Mercedes, ML500 is \$54,530, what is the price of the Lexus, LX470?

The Bentley Arnage costs 20% more than the Ferrari Enzo.  If the price of the Ferrari Enzo is \$1,000,000, what is the price of the Bentley Arnage?

Porshe 959

### “Percent more / less than”

The Bentley at \$1,200,000 is what percent MORE THAN the Ferrari at \$1,000,000?

The Ferrari at \$1,000,000 is what percent LESS THAN the Bentley at \$1,200,000?

### “Percent more than / less than”

If the Bulls have 100 points and the Knicks have 80. By what percentage is the Bulls’ score

GREATER THAN the Knicks’ score?

### “Percentage of”

If the Bulls have 100 points and the Knicks have 80, what percentage of the total points do

the Bulls have?

### “Percentage of”

If there are 1100 people who are admitted to DePaul, but only 17% decide to enroll, how many people decided to enroll?

Of the 1100 people admitted, 17% of those or 187 people decided to enroll.