mardi received an inheritance of 70,000. She invested part at 12% and deposited the remainder in tax-free bonds at 9%. Her total
annual income from the investments was 7200. Find the amount invested at 12%
1 answer:
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Answer:
(0,0)
(1,3)
(2,6)
(3,9)
(-1,-3)
(-2,-6)
(-3,-9)
Step-by-step explanation:
The equation of the graph is y=3x
