Answered

Freddy is two years old than her brother. Twelve years ago, she was twice as old as he was. How old were they? Equation

Verified Answer :

apologiabiology

f=2+b
12 years ago
f-12=2(b-12)
f=2+b
2+b-12=2(b-12)
b-10=2b-24
minus b both sides
-10=b-24
add24
14=b

14-12=2
2+2=4

freddy was 4 and brother was 2
they are now 16 and 14

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