The annual growth rate of energy utilization in the world was 3.5% per year in the period between 1950 and 1973. How long would
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Answer:
$4000
Step-by-step explanation:
Let B represent amount invested in account 'b'.
We have been given that an amount of $12,000 that Boris invested in fund a returned a 6% profit.
So the profit earned from fund 'a' would be .
We are also told that the amount that he invested in fund b returned at 2% profit. So the profit earned from fund 'b' would be .
Further, both funds together returned a 5%. We can represent this information as:
Now, we will equate profit earned from account 'a' and 'b' with profit earned from both accounts as:
Therefore, Jason invested $4000 in fund 'b'.