kayla8whganay kayla8whganay

22-09-2016
Mathematics

contestada

if increasing 15 by n% is equivalent to decreasing 75 by n%, then what is 6% of n?

Respuesta :

nobillionaireNobley nobillionaireNobley

25-09-2016

15(1 + n/100) = 75(1 - n/100)
15 + 0.15n = 75 - 0.75n
0.15n + 0.75n = 75 - 15
0.9n = 60
n = 60/0.9 = 66 2/3%

6% of n = 0.06 x 66 2/3 = 4

Answer Link

Otras preguntas

Why is it helpful to learn the shorter terms and phrases that are commonly used in medical terminology? A. It will help you understand the patients you are trea

The picture below represents a nitrogen atom. How many protons does this atom have? A. O B. 7 C. 14 D. 21

In a personal narrative, what does a well-written plot accomplish? A.It announces the story's point of view. B.It helps readers imagine the setting. C.It keeps

1. Escoge la mejor respuesta, según el contexto. Necesito encontrar un que me ayude con la clase de cálculo. perito pesa moda novedad

Compare and contrast the elements of the mind according to Plato and the life of St. Augustine.

Amir walks 1/2 mile in 15 minutes. Jody walks 2/3 mile in 20 minutes. Who walks at a faster rate? Please help

which options are inputs of cellular respiration?1. carbon dioxide 2. oxygen 3. water4. glucose

...................................

can eyewitness testimony be trusted or not?

which system of inequalities represents the graph