risingammie risingammie

06-12-2017
Mathematics

contestada

how old am i if 509 reduces by 3 times my age is 209?

Respuesta :

Superglace Superglace

06-12-2017

509-3a=209
509-509-3a=209-509
-3a=-300
-3a/-3=-300/-3
a=100
Your age is 100 years old.
Check:
509-3a=209
509-3(100)=209
509-300=209
209=209

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