Preguntas de Porcentaje para Secundaria

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Questions and Answers

¿Cuál es el porcentaje de cambio si un valor de 120 disminuye a 96?

  • 25%
  • 10%
  • 30%
  • 20% (correct)

Un vendedor gana una comisión del 5% sobre las ventas. Si sus ventas totalizan $2,000, ¿cuál es su comisión?

  • $50
  • $200
  • $150
  • $100 (correct)

Si un producto cuesta €100 y se descuenta un 10%, ¿cuánto cuesta después del descuento?

  • €110
  • €90 (correct)
  • €95
  • €80

Una tienda tiene 800 artículos disponibles. Si el 20% son de color rojo, ¿cuántos artículos son rojos?

<p>160 (A)</p> Signup and view all the answers

Un estudiante necesita un 60% en el próximo examen para aprobar. Si el examen vale 150 puntos, ¿cuál es la puntuación mínima que necesita obtener?

<p>90 puntos (C)</p> Signup and view all the answers

Flashcards

Aumento porcentual

El cambio porcentual de un valor inicial a uno final.

Porcentaje de un número

El resultado de calcular un porcentaje de un valor dado.

Porcentaje de cambio

La relación entre la diferencia y el valor original, expresada en porcentaje.

Encontrar el precio después de un descuento

Calcular un nuevo precio restando el porcentaje de descuento del precio inicial.

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Porcentaje en relación a un total

El cálculo de cuántas partes de un grupo representan un valor específico en porcentaje.

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Study Notes

Percentage Questions for Secondary School

  • Calculate the percentage increase from 20 to 25. (25% increase)
  • Find 15% of 80. (12)
  • What is 30% of 600? (180)
  • 25 is what percentage of 500? (5%)
  • A shirt costs $50, and it is discounted by 20%. Calculate the discounted price. ($40)
  • A store had 550 customers one week and 605 the next. Find the percentage increase in customers. (10% increase)
  • If a student scored 80 out of 100 on a test, what percentage did they achieve? (80%)
  • A class of 30 students has 18 girls. What percentage of the students are girls? (60%)
  • Calculate the percentage change if a value of 120 decreases to 96. (20% decrease)
  • A salesperson earns a 5% commission on sales. If their sales total $2,000, find their commission. ($100)
  • 60 is 75% of what number? (80)
  • If a product costs €100 and is discounted by 10%, how much does it cost after the discount? (€90)
  • The population of a town increased from 1500 to 1800. What was the percentage increase? (20% increase)
  • A store has 800 items available. If 20% are red in colour, how many items are red? (160 items)
  • A student needs 60% on the next test to pass. If the test is worth 150 marks, what is the minimum score they need to obtain? (90 marks)

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