Karina puts x dollars into an investment with an interest rate of 3 percent per year and y dollars into an investment with an interest rate of 8 percent per year. She invests a total of $7700, and her interest earnings after one year are $421. From this information, we can create two equations: one for the total investment and one for the interest earned. State both equations, and then solve the system to determine how much Katrina invested in each. The equation that describes the total investment is: The equation that describes the interest earned is: Amount invested at 3 percent interest is $__________ Amount invested at 8 percent interest is $__________

Q: alan invests $17500 in three products.  he invest in his first company , Amazon, which has annual…

A:

Q: 5x- y+z 24 x+y+z=-4 12. 5x + 5y - 2z =-3 13. 2x + y + z =1 5x+2y+ 4z 6 x+ y+ 2z=8

A:

Q: Amber invested $7,000 in two accounts. One of the accounts rose 15% in one year, and the other rose…

A:

Q: Michelle invested $18,000. Part of it was invested at 3% annual simple interest, and the rest was…

A:

Q: set up and solve a system of equations to help solve each problem. Stefan went to the convenience…

A: The  system of equation having all the variables are in single power is linear equation When the…

Q: solve each problem by setting up and solving a system of two equations and two unknowns or a system…

A: Given- We bought 2 liters of pop and 4 pounds of candy for $12. The next day we bought 3 liters of…

Q: Allison owns a trucking company. For every truck that goes out, Allison must pay the driver $11 per…

A: A system of linear equations can be solved to find out the unknown variables.

Q: A certain mixture of nuts contains cashews, almonds, and macadamia nuts. Each container must include…

A: let,no.of almonds be 'A'no.of cashews be 'C'no.of macadamia nuts be 'M '

Q: ormulate a system of equations for the situation below and solve. For the opening night at the…

A:

Q: Mike invested $7,500 total in two bank accounts. Once account paid 4% interest and the other account…

A: As it is given that x represent the amount invested in the 4% account and y represent the amount…

Q: The production of a glass needs three main raw materials: sand, limestone, and soda ash. A glass…

A: 1 gram glass = $2.3 Sand = $3 / gram  Lime stone= $0.5/gram Soda ash = $2.10/gram  Sand needed = 3*…

Q: A business has two loans totaling $85,000. One loan has a rate of 6% and the other has a rate of…

A: Given , A business has two loans totaling $85,000. One loan has a rate of 6% and the other has a…

Q: An alloy used in electrical transformers contains Nickel (Ni), Iron (Fe) and M The percent of Ni is…

A: In this question, the concept of percentage is applied. Percentage A part or amount in every hundred…

Q: Jody plans to invest a total of $7000 between two different accounts. She has done some research and…

A: Given that Jody invest total = $7000 One account gives = 2.5% other account given = 6% time = 1 year…

Q: An investment of $92,000 was made by a business club. The investment was split into three parts and…

A: Given: Total amount invested in three parts=$92000, the interest rates are 8%, 6% and 9%. The total…