Question

Set up a system of equations for the given information by filling in the boxes with the coefficients of the variables and the constant values, where is the amount invested in stocks, is the amount invested in bonds, and is the amount invested in CD's.

If there is no visible coefficient, then enter

for the coefficient.

If a specific variable is not present in the equation, then enter

for the coefficient.



Country Day's scholarship fund receives a gift of $200000. The money is invested in stocks, bonds, and CDs. CDs pay 5% interest, bonds pay 2.9% interest, and stocks pay 10.9% interest. Country day invests $20000 more in bonds than in CDs. The total amount earned from the investments is $11165.

Total amount invested:
+ +

=

Total amount earned from investements:
+ +

=

Relation of bonds and CDs:
+ + =

Answer 1

Answer: Total amount invested:

= 200000

Total amount earned from investements:

0.109x + 0.029y + 0.05z = 11165

Relation of bonds and CDs:

= +20000

Explanation: