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

Which belief was generally held by the Founding Fathers at the Constitutional Convention in 1787?

Does participation in global treaties and organizations help or hinder U.S. sovereignty

5 pairs of words that share similar sounds in Spanish and English.

352 divided by 4 please answer I'm literally bad at division

What goes least to greatiset 0.5 0.41 3 5

Which expression shows how 8⋅54 can be rewritten using the distributive property

Tyler used 17.04 gallons of gas.Maria used 6.2 times as many gallon of gas as Tyler. How many gallons of gas did Maria use?

Which two fixed points define the shape of a hyperbola? A.) center and focus B.) focus and directrix C.) two foci D.) vertex and focus

Is dissolving naoh in water a physical or chemical property?

why did england believe they had a claim to lands in france