alanwoolcockAlwooly alanwoolcockAlwooly

15-07-2017
Mathematics

contestada

x plus 20% = 1980
what is x

Respuesta :

Banabanana Banabanana

15-07-2017

20% = 20/100 = 0.2

x + 0.2x = 1980
1.2x = 1980
x = 1980/1.2
x = 1650 ← unknown number

Answer Link

konrad509 konrad509

15-07-2017

[tex]20\%=0.2\\\\ x+0.2x=1980\\ 1.2x=1980\\ x=1650[/tex]

Answer Link

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