1. Stephen’s Motors sold 24 new trucks last year. Six were Dakotas, the rest full size. What fraction of truck sales were full size?
2. James Auto Sales sold 4 trucks out of a total of 7 new vehicles sold last week. Virtuous Motors sold 5 trucks out of a total of 8 new vehicles sold. Which dealership had a higher fraction of truck sales?
3. The air-conditioning pulley has a diameter of 3 7/8”. What is this expressed as an improper fraction?
4. Dave spent 1 1/2 hours Tuesday & 3/4 hour Wednesday on a brake job. What was his total time on this job?
5. The fuel tank in a Neon holds a total of 12 1/2 gallons. A Chevy pickup with extended range tanks has three times as much capacity. What is the fuel capacity of the pickup?
6. The compression ratio in a Honda Civic is 9 1/2 to 1. In a Porsche 911 it's 9 1/10 to one. What is the difference in the two ratios?
7. An engine block can take either of two different crankshafts, one with a 3 1/2 inch stroke, and the other with a stroke 3/8 inch longer. What is the stroke with the larger crankshaft?
8. Art's Repair is a business owned by Art Campbell. If the business has 1/3 of its assets in property, 1/2 of the assets in tools and equipment, and the rest in the bank, what fraction of the assets is in the bank?
9. Two brothers started a "filling station" business together in 1958. It has since become a major Ford dealership. 2/5 of the business is owned by Bob James, and 3/5 by his brother Steve. Steve recently retired and gave his share of the business equally to his two sons. What fraction of the business does each son own?
10. A technician was diagnosing a vibration problem in an Olds Cutlass Supreme. The manufacturer indicated that the front engine cradle measurement should be 43 5/8 inches, with a tolerance of 3/16 inch. What is the minimum acceptable measurement?
11. Dave spent 3/8 of an hour on Tuesday and 1 1/2 hours on Wednesday on a brake job. Wednesdays time was how many times Tuesdays?
12. Art's Repair is a business owned by Art Campbell. The business has 1/3 of its assets in property, and 5/8 of the assets in tools and equipment. The tools and equipment are how many times the property assets?
Decimals
1. Jim works at Sorensons Repair and makes $8.57 per hour. Steve works at Jamesons Garage and makes $9.12 per hour. What will the difference in their gross pay be in a 40 hour work week?
2. Ray Dixon works at Charley's Standard and gets a $.25 per hour bonus after 8 p.m. What will his bonus be in a week that he works 8.5 hours after 8 p.m.? (round to the nearest cent)
3. After working 40 hours in one week Sandy gets 1.5 times his regular pay. If he makes $7.55 per hour, what is his hourly pay rate for the hours over 40 in a week?
4. Total up the parts bill for the following work order: (round your answer to the nearest cent)
3 bulbs at $1.27 each, 5 ft. of wire at 17 cents per foot, 2 switches at 3 for $5.00, and one relay for $8.17
5. Wendell Phillips, owner of Car Towne, has identified $4728 worth of new equipment he would like to buy for the garage. The supplier agreed to take $2000 down, and let Car Towne pay the rest in six equal monthly installments, with no interest charged until after seven months. What will the monthly
installments be? (round to the nearest cent)
6. According to Ohms Law, the resistance (in ohms) of an electrical component is found by dividing voltage by current. If the current flow through a lamp is 0.165 amperes, and the voltage is 12.8 volts, what is the resistance of the lamp?
7. A garage uses an average of 18.3 gallons of motor oil a day. How many 55 gallon drums should they order for a month when they'll be open 27 days?
8. When servicing the throttle body on a Toyota MFI system, the resistance range with no clearance between the lever and the stop screw is 0.2 - 5.7 k ohms. The maximum resistance is how many times the minimum?
9. A malfunction indicator light (MIL) flashes at 0.26 second intervals if no DTCs (diagnostic trouble codes) are set. How many times will this light flash in one second? (round to nearest whole number)
Percents
1. Don gets a 7% commission on all automotive accessories he sells. What will his commission be on $68 worth of accessories?
2. There is a 5% tax on all goods sold in Wisconsin. What is the total cost, including tax, of a $53 battery?
3. 20% of sales at Steve’s garage are from shock and strut sales and installations. If $3823 worth of business last month was from shocks and struts, what was the total amount of all sales for last month?
4. Next week, 20% of Auto World’s employees will be promoted. If there are 15 employees, how many people will be promoted?
5. Sales of tune-ups and oil changes is up 28% over last year. If the number of tune-ups and oil changes last year was 2382, how many were done this year? (round to the nearest whole number)
6. Car Towne matches up to 6 1/2% of your wages into a 401K retirement account. If you grossed $27,850 last year, what maximum amount would they match? (round to the nearest cent)
7. A resistor in a circuit is supposed to be 6600 ohms, +/- 10%. What is the maximum acceptable resistance value if the resistor is within the tolerance range?