SOLUTION: how old is the teacher if in 12 years she will be 3 times as old she was 32 years ago

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Question 1074933: how old is the teacher if in 12 years she will be 3 times as old she was 32 years ago
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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how old is the teacher if in 12 years she will be 3 times as old she was 32 years ago
:
let a = the present age
a + 12 = 3(a - 32)
a + 12 = 3a - 96
12 + 96 = 3a - a
108 = 2a
a = 108/2
a = 54 yrs is the present age
:
;
Check this
54 + 12 = 3(54 - 32)
66 = 3(22)