Asked by edgard
System Of Elimination:
Greg invested $11,000 in two accounts.
The first account pays 5% interest per year.
The second account pays 8% interest per year.
Greg earned a total of $752.50 in interest at the end of the first year.
How much did Greg invest in the 5% account?
~I don't know how to do these with interest
Greg invested $11,000 in two accounts.
The first account pays 5% interest per year.
The second account pays 8% interest per year.
Greg earned a total of $752.50 in interest at the end of the first year.
How much did Greg invest in the 5% account?
~I don't know how to do these with interest
Answers
Answered by
Scott
f + s = 11000
... 8 f + 8 s = 88000
5 f + 8 s = 75250
subtract equations to eliminate s
3 s = 12750
... 8 f + 8 s = 88000
5 f + 8 s = 75250
subtract equations to eliminate s
3 s = 12750
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