abhinavann2960
contestada

The stock market has been really volatile the past two days. Yesterday, it rose by x% and today it fell by x%, resulting in an overall loss of 64%. What is x?

Respuesta :

mhanifa

Answer:

  • 80

Step-by-step explanation:

Let stock be s, then we get the equation below for the stock value:

  • s(1 + 0.01x)(1 - 0.01x) = s(1 - 0.64)
  • 1 - (0.01x)² = 0.036
  • (0.01x)² = 0.64
  • 0.01x = 0.8
  • x = 0.8/0.01
  • x = 80

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