Solve Problems Using Systems in Three Variables

Multiple Choice

Solve Problems Using Systems in Three Variables
-Ms. Adams received a bonus check for $12,000. She decided to divide the money among three different investments. With some of the money, she purchased a municipal bond paying 5.8% simple interest. She invested twice the amount she paid for the municipal bond in a certificate of deposit paying 4.1% simple interest. Ms. Adams placed the balance of the money in a money market account paying 3.1% simple interest. If Ms. Adams' total interest for one year was $428.40, how much was placed in each account?

A) municipal bond: $1200
B) municipal bond: $700 certificate of deposit: $2400 certificate of deposit: $1400
Money market: $8400 money market: $9900
C) municipal bond: $1700
D) municipal bond: $950 certificate of deposit: $3400 certificate of deposit: $1900
Money market: $6900 money market: $9150