SOLUTION: You were left a small inheritance from your Grandmother. Her will Stipulates that you invest 1/4 of the money in stocks 1/4 of the money in bonds, and 1/2 in in US Treasury Bills.

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Question 443192: You were left a small inheritance from your Grandmother. Her will Stipulates that you invest 1/4 of the money in stocks 1/4 of the money in bonds, and 1/2 in in US Treasury Bills. Stocks pay 4% interest annually, bonds pay 8% annually , and US Treasury Bills pay 2% interest annually. If your total interest earned is $4000, how much did you inherent?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = amount inherited
given:
+%28x%2F4%29%2A.04+%2B+%28x%2F4%29%2A.08+%2B+%28x%2F2%29%2A.02+=+4000+
Multiply both sides by 4
+.04x+%2B+.08x+%2B+.04x+=+4000+
+.16x+=+4000+
+x+=+25000+
You inherited $25,000