Solve using the problem-solving strategy for systems of linear equations.A retired couple has $170,000 to invest to obtain annual income. They want some of it invested in safe Certificates of Deposit yielding 7%. The rest they want to invest in AA bonds yielding 12% per year. How much should they invest in each to realize exactly $18,400 per year?

A. $140,000 at 12% and $30,000 at 7%
B. $130,000 at 7% and $40,000 at 12%
C. $120,000 at 7% and $50,000 at 12%
D. $130,000 at 12% and $40,000 at 7%


Answer: D

Mathematics

You might also like to view...

Express the number as the ratio of two integers.0.171717 . . .

A.
B.  
C.  
D.  

Mathematics

Write the decimal number as a percent. 0.018

A. 0.18% B. 0.0018% C. 1.8% D. 18%

Mathematics

Solve the equation.|x| = 8

A. 8 B. 64 C. ±8 D. -8

Mathematics

Predict the general, or nth term, an, of the sequence.8, 24, 40, 56, 72, . . .

A. 16n - 8 B. an = 8n - 16 C. an = 16n - 2 D. an = 8(16)n - 1

Mathematics