John earns 33.33% more than Peter. By what percentage is Peter's earning less than that of John's?
Question
John earns 33.33% more than Peter. By what percentage is Peter's earning less than that of John's?
Solution 1
Let's solve the problem step by step.
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Let's assume Peter's earnings are .
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John earns 33.33% more than Peter. Therefore, John's earnings can be calculated as:
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We need to find by what percentage Peter's earnings are less than John's. To do this, we calculate the difference between John's and Peter's earnings:
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To find the percentage by which Peter's earnings are less than John's, we use the formula:
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Substituting the values we have:
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Simplifying the fraction:
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Calculating the division:
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Finally:
So, Peter's earnings are 25% less than John's.
Solution 2
Vamos a resolver el problema paso a paso.
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Supongamos que el salario de Peter es .
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John gana un 33.33% más que Peter. Esto significa que el salario de John es .
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Ahora, necesitamos encontrar en qué porcentaje el salario de Peter es menor que el de John.
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La diferencia entre el salario de John y el de Peter es .
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Para encontrar el porcentaje que representa esta diferencia con respecto al salario de John, usamos la fórmula:
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Sustituyendo los valores, tenemos:
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Simplificamos la fracción:
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Calculamos el valor:
Por lo tanto, el salario de Peter es un 25% menor que el de John.
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