Solve the problem.Roberto invested some money at 2.5%, and then invested $4000 more than twice this amount at 3%. His total annual income from the two investments was $970.00. How much was invested at 3%?
A. $12,000
B. $20,000
C. $2400
D. $24,000
Answer: D
Mathematics
You might also like to view...
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = xyi + xj; C is the triangle with vertices at (0, 0), (6, 0), and (0, 9)
A. - 27 B. 108 C. 0 D. 81
Mathematics
Determine convergence or divergence of the alternating series.
A. Converges B. Diverges
Mathematics
If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 
Mathematics
Multiply.
A. -90.988 B. -94.268 C. 9.0988 D. 90.988 E. -9.0988
Mathematics