Answer:
38%
Step-by-step explanation:
Original price = $ 80
Price after reduction = $ 49.60
Reduction = 80 - 49.60 = $30.40
Percentage of decrease =
= 38%
Is -5 greater than -8
2 answers:
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To compare fractions, you need a common denominator.
6 goes into 18 three times. If we multiply (5/6) by 3 on top and bottom you get
Now we can compare numerators, since 15 > 13
6 goes into 18 three times. If we multiply (5/6) by 3 on top and bottom you get
Now we can compare numerators, since 15 > 13
Answer:
El pH del refresco es 3.42.
Step-by-step explanation:
Se puede calcular el pH del refresco usando la siguiente fórmula:
En donde:
[H⁺]: es la cocentración de los iones H⁺ de la solución
Entonces, el pH es:
El resutlado obtenido nos permite concluir que ese refresco es ácido.
Por lo tanto, el pH del refresco es 3.42.
Espero que te sea de utilidad!