Answers

2016-06-24T08:18:46+08:00
5 , 10 , 15 , 20, 25    so the the arithmetic means 4 is 20  because the common difference is 5 .
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youre wrong i solve it in my on paper,, w/ the formula of An=A1+(n-1)d..... the diff. is 4...;;;;;;. 5,9,13,17 ,21,25....if the diff. is 4 then why ur adding five in each number,,, ur so foooll
oh my god!