SOLUTION: A part of $10,000 is invested at 4% and the remaining amount at 3 1/2%.The annual income both is $380.Find the amount of each investment?

Question 630993: A part of $10,000 is invested at 4% and the remaining amount at 3 1/2%.The annual income both is $380.Find the amount of each investment?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A part of $10,000 is invested at 4% and the remaining amount at 3 1/2%.The annual income both is $380.Find the amount of each investment?
------
Equations:
value: x + y = 10,000
interest: 0.04x + 0.035y = 360
-----
Modify:
40x + 40y = 40"10,000
40x + 35y = 360,000
----
5y = 40,000
y = 8000 (amt. invested at 3.5%
x = 2000 (amt. invested at 4%
-----------------
Cheers,
Stan H.
RELATED QUESTIONS
A part of P10,000 is invested at 4% and the remainder at 3. ½%. The annual income from (answered by Theo)

A part of P10,000 is invested at 4% and the remainder at 3. ½%. The annual income from (answered by Boreal,greenestamps)

Larry Mitchell invested part of his $31,000 advance at 5% annual simple interest and the... (answered by amoresroy)

Mr. Garcia invested $100,000 part at 5% and part at 3%. If the annual income is $4,200,... (answered by macston)

A total of $2200 is invested, part at 5% and the rest at 3%. The annual income from the... (answered by ikleyn)

Moa invested $80000,part at 4% and the rest at 2%.Find the amount invested at each rate... (answered by mananth)

A woman invests $72,000 in two ways - some at 5% and the remaining amount at 3%. Her... (answered by josgarithmetic,greenestamps)

A part of $8900 is invested at 6% and the rest at 4%. the annual income from the 4 %... (answered by dkppathak)

The sum of $4000 is invested, part at 4% and the rest at 6%. The annual income from the... (answered by greenestamps)