Questions and Answers
If you get paid $14/hr, and get a 5% raise, what will your new hourly wage be?
15.23
How many miles can George drive on one gallon of gas if he drove 360 miles and used 8 gallons?
45 miles
What is 0.31275 rounded to the nearest thousandth?
0.313
What is the result of 5 1/2 x 7?
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What is the sum of 465.4, 24.03, 92.007, and 37?
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If Ix = Rt/RxIt with Rt = 4, Rx = 1.4 and It = 3, what is Ix?
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Maria can type 5 pages in 30 minutes. How long will it take her to type 20 pages?
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What is 8,360.1 minus 257.92?
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If Ex = rx/rt and rx = 12, rt = 4, what is Ex?
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What is the total payment for one helper working 6 hours, another 8 hours, and a third 4 hours at $14/hr?
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What is 3/8 minus 1/16?
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What is the average score if you received grades of 97%, 85%, 92%, and 74%?
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What is the total thickness of a wall with 7/8" finish siding, 7/8" rough siding, 3 1/2" stud, and 13/16" lath and plaster?
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What is 9,524 divided by 8?
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What is Rt if Rt = 1 / (1/2 + 1/3 + 1/4)?
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What is 3 5/16 divided by 1/4?
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Write 1.8% as a decimal.
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Choose the largest number: 5.
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What is 1/4 + 1/2 + 1/3?
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What is the sale price of a hammer costing $25 with a 30% discount?
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Which is the smallest measurement: 25 centimeters?
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If a photo voltaic module produces 3 amps at 12 volts, how much power does it produce?
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What is 724 multiplied by 23?
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What is the length of the diagonal in a right triangle that is 18" high and 24" long?
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If you work 40 hours a week and get paid $14.50 per hour, how much will you make in a 4-week month?
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Study Notes
Hourly Wage Calculation
- A pay rate of $14 per hour with a 5% raise increases the wage to $15.23.
Fuel Efficiency
- George's hybrid car traveled 360 miles, using 8 gallons of gas, averaging 45 miles per gallon.
Rounding Numbers
- Rounding 0.31275 to the nearest thousandth results in 0.313.
Multiplication of Mixed Numbers
- The product of 5 1/2 and 7 equals 38 1/2.
Summation
- Adding the numbers 465.4, 24.03, 92.007, and 37 gives a total of 618.437.
Electrical Calculation
- Using the formula Ix = Rt/Rx*It with Rt=4, Rx=1.4, and It=3 computes to 8.571.
Typing Speed
- Maria types 5 pages in 30 minutes; it will take her 2 hours to type 20 pages.
Subtraction
- Subtracting 257.92 from 8,360.1 results in 8,102.18.
Electrical Resistance
- In the equation Ex = rx/rt where rx=12 and rt=4, the result is 3.
Temporary Labor Costs
- A supervisor pays temporary helpers $14 per hour; total payment for 18 hours worked is $252.
Fraction Arithmetic
- Performing the operation 3/8 - 1/16 simplifies to 5/16.
Average Score Calculation
- Average score from quizzes of 97%, 85%, 92%, and 74% is 87%.
Total Wall Thickness
- The total thickness of a wall with various layers amounts to 6 1/16 inches.
Division
- Dividing 9,524 by 8 gives the result of 1,190.5.
Series Resistance Calculation
- Total resistance calculated as Rt = 1/(1/2 + 1/3 + 1/4) results in approximately 0.925.
Division of Mixed Numbers
- Dividing 3 5/16 by 1/4 gives a result of 13 1/4.
Percentage to Decimal Conversion
- Converting 1.8% into decimal form yields 0.018.
Identifying Largest Value
- The largest number from a selection is 0.5.
Adding Fractions
- The sum of 1/4, 1/2, and 1/3 evaluates to 1 1/12.
Discount Price Calculation
- A hammer priced at $25 with a 30% discount is $17.50 after the sale.
Identifying Smallest Measurement
- The smallest measurement in a choice is 25 centimeters.
Power Calculation from Photovoltaic Module
- A module producing 3 amps at 12 volts generates 36 watts of power.
Large Multiplication
- The product of 724 and 23 equals 16,652.
Diagonal Length in Right Triangle
- The diagonal of a right triangle with 18" height and 24" length is 30".
Monthly Earnings Calculation
- Working 40 hours weekly at $14.50 per hour totals $2,320 in a 4-week month.
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Test your knowledge of essential electrical math concepts with these flashcards. Each card presents a practical math problem related to electrical calculations, from calculating wages to solving for fuel efficiency. Perfect for students or professionals looking to sharpen their skills!
