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grin007 [14]
3 years ago
10

una familia ha consumido en un dia de verano: dos botellas de litro y medio de agua, 5 botellas de 1/4 de litro de jjugo de appl

e, y 4 de 1/4 de litro de limonada ¿cuantos litros de liquido han bebido ?podemos directamente sumar restar fracciones de distintos denominadores
Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
3 0

Answer:

La familia ha bebido en un día de verano 5\,\frac{1}{4} litros.

Step-by-step explanation:

Podemos evidenciar que es posible obtener el volumen total de los citados líquidos al sumar el volumen de cada uno. El volumen de cada bebida es igual al producto de su capacidad multiplicada por el número de botellas. Es decir:

V_{total} = V_{agua} + V_{jugo} + V_{limonada}

Donde todos los volúmenes se miden en litros.

V_{total} = (2\,botellas)\times \left(\frac{3}{2} \,\frac{L}{botella} \right)+(5\,botellas)\times \left(\frac{1}{4}\,\frac{L}{botella}  \right) + (4\,botellas)\times \left(\frac{1}{4}\,\frac{L}{botella}  \right)

V_{total} = (2\,botellas)\times \left(\frac{6}{4} \,\frac{L}{botella} \right)+(5\,botellas)\times \left(\frac{1}{4}\,\frac{L}{botella}  \right) + (4\,botellas)\times \left(\frac{1}{4}\,\frac{L}{botella}  \right)

V_{total} = \frac{12}{4}\,L + \frac{5}{4} \,L + \frac{4}{4} \,L

V_{total} = \frac{21}{4}\,L

V_{total} = \frac{20}{4}\,L + \frac{1}{4}\,L

V_{total} = 5\,\frac{1}{4}\,L

La familia ha bebido en un día de verano 5\,\frac{1}{4} litros.

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