$3,000 is invested in an account paying 4% interest and twice that amount is invested at 6%.
Which of the following expressions represents the amount of interest earned on the money invested at 6%?
0.06(3,000)
0.06(6,000)
2(3,000)
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ganeshie8 (ganeshie8):
3000 is invested in an account,
twice the amount wud be 6000
so, 6000 is invested at 6%
ganeshie8 (ganeshie8):
Interest earned on 6000 = ?
OpenStudy (anonymous):
0.06?
ganeshie8 (ganeshie8):
Yes, theats the factor u need to multiply with amount
Interest earned on 6000 at 6% = 0.06(6000)
OpenStudy (anonymous):
okay
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OpenStudy (anonymous):
If a man earns $420 interest in one year at 7%, what was the amount of money invested?
OpenStudy (anonymous):
Pretty sure $6000.
420 is 70% of $600 and that means that 1% is 60 dollars.
So $600 times 10 is 6000.
OpenStudy (anonymous):
right?
ganeshie8 (ganeshie8):
brilliant !! thats very good logic !!!
ganeshie8 (ganeshie8):
420 = 70%
420/70 = 1%
60 = 1%
6000 = 100%
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