Work. Do Not Solve

work. Do not solve.
-5x + 9y = -12
-4x - 4y = -32
A) Substitution B) Addition
Answer: B
Write the word or phrase that best completes each statement or answers the question.
-Paul invested four times as much money in an account paying 4% interest than he did in an account paying 1% interest. If the total interest paid was $595, how much did he invest in each?

A) $140 at 4%, $35 at 1%
B) $14,000 at 4%, $3500 at 1%
C) $14,000 at 4%, $4000 at 1%
D) $3500 at 4%, $14,000 at 1%