Mathematics
Grade-7
Easy

Question

A number 85 is misread as 58. The reading percent error is _______%.

  1. 31.7%
  2. 28.8%
  3. 18.9%
  4. 19.9%

The correct answer is: 31.7%


    STEP BY STEP SOLUTION
    Correct number = 85
    Incorrect or misread number = 58
    Error in the number = Correct number - Misread number
    Error in the number = 85 - 58 = 27
    Error % = fraction numerator E r r o r space i n space t h e space n u m b e r space over denominator C o r r e c t space n u m b e r space end fraction cross times 100
    Error % =27 over 85 cross times 100 equals 0.317 cross times 100 equals 31.7 straight percent sign

    Related Questions to study

    Grade-7
    Mathematics

    Determine the selling price of $30 book with a 15% of a mark-up.

    Determine the selling price of $30 book with a 15% of a mark-up.

    MathematicsGrade-7
    Grade-7
    Mathematics

    In a class, 20 students attended the first lecture and only 14 students attended the second lecture. Determine the decrease percent change

    In a class, 20 students attended the first lecture and only 14 students attended the second lecture. Determine the decrease percent change

    MathematicsGrade-7
    Grade-7
    Mathematics

    Determine the percent change from first quantity to second quantity, i.e., 20 mile; 5 miles

    Determine the percent change from first quantity to second quantity, i.e., 20 mile; 5 miles

    MathematicsGrade-7
    parallel
    Grade-7
    Mathematics

    Jasmine bought a computer at $273, if it was priced $350 earlier. Determine the discount percent change

    Jasmine bought a computer at $273, if it was priced $350 earlier. Determine the discount percent change

    MathematicsGrade-7
    Grade-7
    Mathematics

    The weight of a dog was 54 pounds last month; this month it was 61 pounds. The percent change observed is _____%.

    The weight of a dog was 54 pounds last month; this month it was 61 pounds. The percent change observed is _____%.

    MathematicsGrade-7
    Grade-7
    Mathematics

    Murphy makes changes to the length of his wall. It is changed from 18 feet to 30 feet. The percent change is ________.

    Murphy makes changes to the length of his wall. It is changed from 18 feet to 30 feet. The percent change is ________.

    MathematicsGrade-7
    parallel
    Grade-7
    Mathematics

    $45 is increased to $90. Percent change is ___________%.

    $45 is increased to $90. Percent change is ___________%.

    MathematicsGrade-7
    Grade-7
    Mathematics

    Rosa sold her iPhone for $500, if she purchased it for $750, determine the percent change

    Rosa sold her iPhone for $500, if she purchased it for $750, determine the percent change

    MathematicsGrade-7
    Grade-7
    Mathematics

    A politician expects to win an election by 1000 votes but wins by 350 votes. Determine the percent error

    A politician expects to win an election by 1000 votes but wins by 350 votes. Determine the percent error

    MathematicsGrade-7
    parallel
    Grade-7
    Mathematics

    Danny wants to buy a card for his wife, he calculates the price of the card as $4.50. The actual price of the card is $4. Determine the percent error.

    Danny wants to buy a card for his wife, he calculates the price of the card as $4.50. The actual price of the card is $4. Determine the percent error.

    MathematicsGrade-7
    Grade-7
    Mathematics

    Hunter wants to purchase an umbrella for $60. The actual price of umbrella is $50. ______ is the hunter’s percent error

    Hunter wants to purchase an umbrella for $60. The actual price of umbrella is $50. ______ is the hunter’s percent error

    MathematicsGrade-7
    Grade-7
    Mathematics

    A sportsman used to run 20 miles, after surgery he reduced it by 8 miles. _________ is the percent change

    A sportsman used to run 20 miles, after surgery he reduced it by 8 miles. _________ is the percent change

    MathematicsGrade-7
    parallel
    Grade-7
    Mathematics

    The cost of servicing was increased from $250 to $560. The percent mark-up is  ___%.

    The cost of servicing was increased from $250 to $560. The percent mark-up is  ___%.

    MathematicsGrade-7
    Grade-7
    Mathematics

    The area of school ground is reduced from 400 square feet to 200 square feet. Determine the percent change

    The area of school ground is reduced from 400 square feet to 200 square feet. Determine the percent change

    MathematicsGrade-7
    Grade-7
    Mathematics

    If depth of well is changed form 10 feet to 8 feet. Determine the percent change.

    If depth of well is changed form 10 feet to 8 feet. Determine the percent change.

    MathematicsGrade-7
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.