Solve for r: A=p+prt

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How do i do this

Oct 3rd, 2015

Thank you for the opportunity to help you with your question!

A = p+prt

A -  p  = prt

(A- p) / pt   = r

r = (A- p) / pt 


answer is

r = (A- p) / pt ............................answer

 r = (A /pt ) - (1/t),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,answer



both answers are same . ...you can select from your choices


hope you understood..please message if you have any doubts...thank you
Sep 17th, 2015

A = p+prt

subtract p from both sides,then

A-p = p+prt

A -  p  = prt

now divide by pt on both sides

(A- p) / pt   = prt / pt

(A- p) / pt   = r

so answer is

r = (A- p) / pt 


Sep 17th, 2015

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Oct 3rd, 2015
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Oct 3rd, 2015
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