Homework Help: math

Posted by anna on Wednesday, March 16, 2011 at 9:05pm.

Hannah biked the following number of miles in four days. How many miles would she need to bike on the fifth day to have a mean of 5.2 miles per day?

6, 3, 4, 3

math - bobpursley, Wednesday, March 16, 2011 at 9:16pm
mean*5= sum of days

5.2*5=6+3+4+3+X

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