Solve the problem.Roberto invested some money at 7%, and then invested $4000 more than twice this amount at 12%. His total annual income from the two investments was $3890. How much was invested at 12%?
A. $26,000
B. $12,000
C. $22,000
D. $2600
Answer: A
Mathematics
You might also like to view...
Find the total area of the region between the curve and the x-axis.y = 2x - x2; 0 ? x ? 2
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Simplify, if possible.
+ 
- 
A. - 
B. 
C. 
D. - 
Mathematics
Use a formula to solve the problem.A baking pan measures 13 inches long, 5 inches wide, and 2 inches deep. What is the volume of the pan.
A. 65 cubic inches B. 36 cubic inches C. 20 cubic inches D. 130 cubic inches
Mathematics
Add or subtract as indicated.-18.1 + 38.02
A. -19.92 B. 19.92 C. 19.84 D. 20.62
Mathematics