firstladidjohn firstladidjohn

27-09-2017
Mathematics

contestada

how old am I if 500 reduced by 3 times my age is 230?

Respuesta :

leeandrews2 leeandrews2

03-10-2017

x= my age
500-3x=230
500-3x-230=230-230
270-3x=0
270-3x+3x=0+3x
270=3x
270/3=3x/3
x=90
you are 90 years old

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