Answer:
3000 invested in stock A
2000 invested in stock B
Explanation:
Given
--- rate of stock A
--- rate of stock B
--- Amount invested
---- Value of stock
Required
Determine the amount invested in each
Let
Amount invested in A
Amount invested in B
So:


Make x the subject

The gain on stock A is:




The gain on stock B is:




So, we have:
----- i.e. total gain on both stocks


Collect like terms


Solve for y

To solve for x, we have:



Reluctantly after trying appeasement (which was a massive failure) Britain and France had to honor their promise to defend Poland should she be attacked. When she was, Britain and France declared war on Germany.
GOLD STANDARD thereby changing US dollars into a fiat based currency (In God We Trust ;)
Oh, then he printered boat loads of dollar bills thinking more $ will equate to more tax revenue (supply side system)
BUT then the Phillips & Laffer curves were blown apart proving - Yes Mr. President, Inflation and High Unemployment CAN both exist at the same time.