Amount invested

A church building fund has invested some money in two ways: part of the money at 3% and four times as much at 2.75%. Find the amount invested at each rate if the total annual income from interest... more

I need some help on setting up this problem, and how to find the formula to get the correct answer.. this sounds like a different language like where do I start? Can I put this in a table or a... more

I need some help on setting up this problem, and how to find the formula to get the correct answer.. this sounds like a different language like where do I start? Can I put this in a table or a... more

A student mixed 50ml of a 3% hydrogen peroxide solution with 30 ml of a 12% hydrogen peroxide solution. Find the percent concentration of the resulting mixture. Round to the nearest tenth of a... more

Orlando, a financial planner, recommended that 25% of a client's investment be placed in a 4% annual simple interest tax-free account, that 40% be placed in 6% certificates of deposit, and that the... more

Larry Mitchell invested part of his $17000 advance at 5% annual simple interest and the rest 6% annual simple interest. If his total yearly interest from both accounts was $870, find the amount... more