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abruzzese [7]
3 years ago
5

a student's cost for last semester in her community college was $2,300. she spent $253 of that on books. what percent of my seme

sters college costs was spent on books?
Mathematics
1 answer:
lana66690 [7]3 years ago
4 0

Answer:

11%

Step-by-step explanation:

To find the percentage of books to total cost, divide 253/2300. You get .11

Move the decimal 2 places to the right and that's the percentage.

11%

hope this was good enough

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Answer:

Tarea:

Ana compró una cartera cuyo precio es x dólares con el 10% de descuento y un perfume con precio original en dólares con un descuento del 15%. ¿Cuánto gastó Ana en total?

- Solución:

El precio estará en lenguaje algebraico, ya que no nos dan el dato de cuánto costó cada artículo.

• Hallamos el precio de la cartera con el descuento:

El precio original es x, entonces:

Regla de tres:

100 % --------> x

10 % -----------> ?

10 . x : 100 = ?

10x/100 = ?

El 10% del precio de la cartera es 10x/100.

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• Hallamos el precio del perfume con el descuento:

El precio original es y, entonces:

Regla de tres:

100% -------> y

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15.y/100

El 15% del perfume es 15y/100.

Entonces el precio del perfume con el descuento es (y-15y/100).

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Step-by-step explanation:

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