x + 12
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Sam is 8 years old. Bill is 3 years old.
12 12times 4 is 48 48 plus 6 is 54 12 plus 6 is 18 18 times 3 is 54 that means Rebecka is now 12
If you mean "now you are 100 years old", then, my sister is now 98 years old, since she was 2 when I was 4.
He is now 3 years old. In 9 years he will be 12 years old. In 9 years he will be 4 times as old as he is now. let x= his age now x+9 = 4x 9=3x 3=x
30 years old