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lina2011 [118]
2 years ago
12

1. Los alumnos de 4º de ESO quieren hacer un viaje de fin de curso. Para ello deciden vender camisetas en el colegio. Compran 20

0 camisetas a un conocido proveedor por un total de 780 euros. Si los gastos de alquiler del local y de luz suponen 200 euros y el precio de las camisetas es de 12 euros. ¿Cuántas camisetas tendrán que vender para obtener un beneficio de 300 euros?
Mathematics
1 answer:
Sladkaya [172]2 years ago
8 0

Answer:

Necesitas vender 106.66 camisetas para obtener un beneficio de 300 euros.

Step-by-step explanation:

Con la información proporcionada, puedes decir que el beneficio obtenido es igual a la cantidad total obtenida al vender las camisetas menos el costo. La cantidad obtenida al vender las camisetas es igual al precio por camiseta por el número de camisetas vendidas y el costo es igual al valor pagado por las camisetas mas los gastos de alquiler y de luz. De acuerdo a esto:

Beneficio=12x-(780+200), donde x es el número de camisetas vendidas

Beneficio=12x-980

Ahora puedes reemplazar el beneficio con 300 y despejar x para encontrar las camisetas que necesitas vender para obtener un beneficio de 300 euros:

300=12x-980

300+980=12x

1280=12x

x=1280/12

x=106.66

De acuerdo a esto, la respuesta es que necesitas vender 106.66 camisetas para obtener un beneficio de 300 euros.

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Step-by-step explanation:

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Answer:

Given  

if p:q=2/3:3 and p:r=3/4:1/2, calculate the ratio p:q:r giving your answer in its simplest form

We need to find the ratio p:q:r

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