Homework Help: math

Posted by aoife on Tuesday, October 16, 2012 at 1:54pm.

how do i do this math problem ? what is my age ? add my age , plus half of it , plus a third of it , plus 3 times three . the results is 6 score and ten , what is my age ?

math - Steve, Tuesday, October 16, 2012 at 3:40pm
just start putting the words into symbols. If your age is a,

(a + a/2 + a/3 + 3)*3 = 6*20+10
(11/6 a + 3)*3 = 130
11/2 a +9 = 130
11/2 a = 121
a/2 = 11
a = 22

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