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Investment Word Problems

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More Algebra Word Problems, Math Worksheets

Videos, worksheets, solutions, and activities to help Algebra students learn how to solve word problems that involve investment.

Find the interest rate based on the investment formula
Example: At the end of 2 years, P dollars invested at an interest r compounded annually increases to an amount, A dollars, given by A = P(1 + r)2. Find the interest rate if $2,000 increased to $2,420 in 2 years. Write the answer as a percent.
Algebra - Word Problems - Investment Part 1/3
Problem Text: Mary invested a certain amount of money at a 10% interest rate and $2000 more than that at a 12% interest rate. Her total yearly interest earned is $1340. How much money did she invest at each rate?

Algebra - Word Problems - Investment Part 2/3
Problem Text: A total of $6000 was invested, a portion at 6% and the remainder at 8%. The total amount of interest earned was $450. How much was invested at each rate?
Algebra - Word Problems - Investment Part 3/3
Problem Text: A sum of $4000 is to be invested in 2 portions, on at 4%, the other at 6%. If the interest earned with the portion at 4% exceeds the interest earned by the portion at 6% by $40, how much is invested at each rate?


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