AliceRose1 AliceRose1
  • 04-02-2018
  • Mathematics
contestada

Does anyone know how to do reverse percentages?

Does anyone know how to do reverse percentages class=

Respuesta :

jdrc2222000 jdrc2222000
  • 04-02-2018
move the decimal 2 places to the left.
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gustanika
gustanika gustanika
  • 04-02-2018
First, calculate the reduction of the price
reduction = normal price - sale price
reduction = 57 - 41.6
reduction = 15.4
The price decreased £15.4

Second, change the reduction of the price into percentage
percent = reduction/normal price × 100%
[tex]percent= \frac{15.4}{57}\times100[/tex]%
[tex]percent= \frac{15.4\times100}{57} [/tex]%
[tex]percent= \frac{1540}{57} [/tex]%
percent = 27.01%

The percentage reduction is 27.01% or approximately 27%
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