Shobha’s exam marks were: Maths 21/25 English 11/15 , Hindi 18/20. Change the results into percentages and arrangethem in ascending or

Question

Shobha’s exam marks were: Maths 21/25 English 11/15 , Hindi 18/20.
Change the results into percentages and arrangethem in ascending order.

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Mackenzie 1 month 2021-08-14T20:35:22+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-14T20:36:42+00:00

    Step-by-step explanation:

    maths = 84 percent

    English = 73.9 percent

    hindi = 90 percent

    73.9, 84 , 90

    0
    2021-08-14T20:37:11+00:00

    Given :–

    Results of 3 subjects,

    • Maths =  \dfrac{21}{25}
    • English =  \dfrac{11}{15}
    • Hindi =  \dfrac{18}{20}

    To Find :–

    1. Change the results into percentages.
    2. Arrange the results in ascending order.

    Solution :–

    1. First, we need to convert the given results into percentages.

    For converting the percentages, we need to multiply 100 by the given result.

    So,

    • Maths =  \dfrac{21}{25}

     \dfrac{21}{\cancel{25}} \times \cancel{100}

    Cancel 25 and 100 by 25, we get 4.

    ⟹ 21 × 4

    ⟹ 84%

    • English =  \dfrac{11}{15}

     \dfrac{11}{\cancel{15}} \times \cancel{100}

    Cancel 15 and 100 by 5, we obtain

     \dfrac{11}{3} \times 20

    Now, multiply the denominator by 20, we obtain

     \dfrac{220}{3}

    Now, divide the denominator and the numerator, we obtain

    ⟹ 73.33%

    • Hindi =  \dfrac{18}{20}

     \dfrac{18}{2\cancel0} \times 10\cancel0

    Cancel the both zeors.

     \dfrac{18}{\cancel2} \times \cancel{10}

    Cut 2 and 10 by 2, we get 5.

    ⟹ 18 × 5

    ⟹ 90%

    Hence,

    The results in percentages are:

    • Maths = 84%
    • English = 73.33%
    • Hindi = 90%

    2. Now, we need to arrange the results in ascending order.

    So,

    Ascending order – Arranged the numbers from smallest to largest.

    So,

    Ascending order of the results is:

    In subjects name:

    ⟹ English, Maths, Hindi

    In percentages:

    ⟹ 73.33%, 84%, 90%

    In factions:

     \dfrac{11}{15} ,  \dfrac{21}{25} ,  \dfrac{18}{20}

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