kayla8whganay
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 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

What is the difference between preterite and imperfect and the past progressive and present progressive?
Water on each side of a divide flows in...
Pyrenees mountains border Spain and this European country starts with F
Which statement illustrates the distributive property? Please help
Water on each side of a divide flows in...
Water on each side of a divide flows in...
Pyrenees mountains border Spain and this European country starts with F
Which statement illustrates the distributive property? Please help
What is a major city in Alaska that starts with F
Which statement illustrates the distributive property? Please help