Invest Simple Interest 3 - 1 variable

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Taught by YourMathGal
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Lesson Description:

Tim invested some money into a 10% annual simple interest account. In a 16% account, he invested $4000 more than what he put in the 10% account. He earned a total of $2200 in interest from these investments after one year. How much was deposited into each account?

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Questions answered by this video:
  • How do you solve a simple interest problem using two accounts, and use only one variable?
  • What are the equations used when solving simple interest problems?
  • Staff Review

    • Currently 4.0/5 Stars.
    This video teaches how to solve, step by step, a simple interest problem that uses multiple accounts, using only one variable. A table is used to arrange all of the information to build an equation that is then solved.