Asked by Katie Elizabeth

Ten years ago, Heather was twice as old as her brother David. Today, she is 12 years older than him. How old are they both today?

Heather's age today: 27
David's age today: 15


Thanks in advance! I tried using other solutions from Google and just am not sure I got it right.
Answered by Kosy
10 years ago H-10=2(D-10)equ 1 H=D+12 equ 2 sub equ 2 in equ 1 D+12-10=2D-20 D+2=2D-20 D=22yrs H=22+12=34yrs
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