Solve the problem using a system of equations.Paul invested three times as much money in an account paying 7% interest than he did in an account paying 2% interest. If the total interest paid was $920, how much did he invest in each?
A. $12,000 at 7%, $4000 at 2%
B. $4000 at 7%, $12,000 at 2%
C. $12,000 at 7%, $4500 at 2%
D. $120 at 7%, $40 at 2%
Answer: A
Mathematics
You might also like to view...
Simplify. (Assume all variables are nonzero.)
2
A. 
B. 
C. 
D. 
Mathematics
Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 2y = 32x + 3y = 7
A. parallel B. perpendicular C. neither
Mathematics
Solve.Corrin borrows $5500 and agrees to pay it back in 7 years. If the simple interest rate is 12%, find the total amount she pays back.
A. $10,120 B. $51,700 C. $46,200 D. $4620
Mathematics
Provide an appropriate response.An investment grows from $5500 to $6105 in one year. If the investment continues to grow at that rate, find the number of years it will take for the investment to triple.
Fill in the blank(s) with the appropriate word(s).
Mathematics