Brittany Jones

This page lists questions and answers that were posted by visitors named Brittany Jones.

Questions

The following questions were asked by visitors named Brittany Jones.

How much pure acid must be added to a 30% acid solution to make a 60L solution which is 50% acid? This was the answer I got from Reiny. amount of pure acid to be added -- x L 1(x) + .3(60-x) = .5(60) 10x + 3(60-x) = 5(60) 10x + 180 - 3x = 300 7x = 120 x =...

If I had a 4,0000 deposit at an apr of 5.6% with quarterly compounding, how much would I have after four years?

Answers

The following answers were posted by visitors named Brittany Jones.

Oh okay. Will look at the link. Thanks.

Hi Reiny, I already saw the link. But how did you get the 10x on the second part? Did you multiply everything by 10? Why so? Why not 100?

Oh I think I got it now. Never mind. Thanks much for the help.