opalstea opalstea
  • 12-01-2020
  • Mathematics
contestada

When a number is decreased by 20% of itself, the result is 20. What is the number? Show your work.​

Respuesta :

Stefanisaska
Stefanisaska Stefanisaska
  • 12-01-2020

Answer:25

Step-by-step explanation:

x-x*20/100=20

x-x*1/5=20

5x-x=100

4x=100

x=25

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