Fundamental Quantitative Concepts Exercises
Instructions
| Instructions |
| 1. You have ten problems - one on each tab of this Excel file. |
| 2. Please show your work in the cells. Use Excel formulas instead of writing the values/answers directly in the cell. |
| The instructor will then know where you made a mistake and provide you valuable feedback and partial credit (if appropriate). |
| 3. The grey cells are data values which are given (known values). The yellow cells are unknowns and have to be determined. |
| Total Points: 6 |
Problem 1
| A scale drawing of an office building is not labeled, but indicates 0.25 inch = 5 feet. | |
| On the drawing, one wall measures 2 inches. How long is the actual wall? | |
| Inches | Feet |
| 0.25 | 5 |
| 2 | |
| Refer to the Solved Example 5 on Page 166 of your text. |
Problem 2
| Marcus James purchased 2,500 pounds of produce. Records indicate he purchased 800 pounds of potatoes, | |||
| 150 pounds of broccoli, and 390 pounds of tomatoes. He also purchased apples. How many pounds of apples | |||
| did he purchase? | |||
| Total produce | pounds | ||
| Potatoes | pounds | ||
| Broccoli | pounds | ||
| Tomatoes | pounds | ||
| Apples | pounds | ||
| Refer to the Solved Example 1 on Page 163 of your text. |
Problem 3
| The formula for the installment price of an item purchased with financing is Installment price = Total of installment payments + Down payment. | ||||
| The formula can be written in symbols as I = T + D. | ||||
| Part a | Find the installment price I if T = $24,846.38 and D = $2,500. | |||
| = | + | |||
| Part b | Find the down payment for an installment loan if the installment price is $13,846.76 and the total of installment payments is $10,673.26. | |||
| = | + | |||
| Part c | Find the total installment payments if I = $6,508.72 and D = $2,250. | |||
| = | + | |||
Problem 4
| Wallpaper costs $12.97 per roll and a kitchen requires 9 rolls. What is the cost of the wallpaper needed to paper the kitchen? | |||
| Cost | per roll | ||
| Total rolls needed | |||
| Total cost to paper kitchen |
Problem 5
| Wilson’s Auto, Inc., has 37 employees and a weekly payroll of $10,878. If each employee | |
| makes the same amount, how much does each make? | |
| Total no. of employees | |
| Total weekly payroll | |
| Earnings per employee |
Problem 6
| Jacob Kennedy borrowed $30,000 to start up his consulting business. The loan had a simple interest | |||
| rate of 6.2% for 3 years. Use the formula I = PRT to find the amount of interest he will pay on the loan. | |||
| I = interest; P = principal; R = rate (expressed as a decimal 0.062); T = time in years | |||
| Principal (P) | |||
| Interest (R) | |||
| Time (T) | years | ||
| Simple Interest (I) |
Problem 7
| A car odometer increased from 37,580.3 to 42,719.6. What was the increase? | |
| New Value | |
| Original Value | |
| Amount of increase | |
| Absolute Change |
Problem 8
| A number decreased from 486 to 104. Find the amount of decrease. | |
| New Value | |
| Original Value | |
| Amount of change | |
| Absolute Change |
Problem 9
| A number increased from 224 to 336. Find the percent of increase. | |||
| New Value | |||
| Original Value | |||
| Amount of increase | Absolute Change | ||
| Percentage increase | |||
| Relative Change |
Problem 10
| A number decreased from 250 to 195. Find the rate of decrease. | |||
| New Value | |||
| Original Value | |||
| Amount of change | Absolute Change | ||
| Percentage change | |||
| Relative Change |