SOLUTION: Solve A = P + Prt for t if A=652, p =400 and r= 0.07 Thanks!

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Question 74679This question is from textbook Elementary algebra
: Solve A = P + Prt for t if A=652, p =400 and r= 0.07
Thanks! This question is from textbook Elementary algebra

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A+=+P+%2B+PrtPlug in A=652, p =400 and r= 0.07
652-400+=+cross%28400-400%29+%2B+400%280.07%29tSubtract 400 from both sides and evaluate 400*0.07
252+=+28tDivide both sides by 28
252%2F28+=+cross%2828%2F28%29t
t=9


Check:
652+=+400+%2B+400%280.07%29%289%29
652+=+400+%2B+252
652+=+652works