SOLUTION: An inheritance is divide into two investments. One investment pays 7% annual interest whereas the second investment, which is twice as large as the first, pays 10% annual interest.

Question 336651: An inheritance is divide into two investments. One investment pays 7% annual interest whereas the second investment, which is twice as large as the first, pays 10% annual interest. If the combined annual income from both investments is $4,050 how much money is the inheritance? Thank You
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
Interest rate * investment amount = interest amount
x = Investment amount 1
y = Investment amount 2
y = 2x
.07x + .1y = $4050
.07x + .1(2x) = $4050
.07x + .2x = $4050
.27x = $4050
x = $15000
y = $30000

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