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February 28, 2015

February 28, 2015

Posted by **amanda** on Sunday, July 18, 2010 at 6:19am.

15.3 + 15 + 15.4 + 15.7 + x /5 = 15.4

thankyou

- math -
**bobpursley**, Sunday, July 18, 2010 at 6:26amI suspect you mean...

(15.3 + 15 + 15.4 + 15.7 + x) /5 = 15.4

multipy both sides by 5.

15.3 + 15 + 15.4 + 15.7 + x = 15.4 *5

then subtract the four numbers on the left from both sides.

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