Answers

2014-03-07T15:55:58+05:30
A/20 + a = (a+20a)/20

= 21/20 a

therefore a = 0.26
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iI know the answer is 7.5 . But ..how can i get it.. ? pls help
answer is not 7.5
correct ur question
ohh
7.5/20+7.5= 0.2727 am I right? then a= 7.5 rt?
2014-03-07T16:06:13+05:30
A/20+a=0.2727
(a+20a)/20=0.2727
21a/20=0.2727
a=0.2727*20/21
a=0.26  (approx.)
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