If You Want to Have $90 in Four Years, How

question 72

Multiple Choice

If you want to have $90 in four years, how much money must you put in a savings account today? Assume that the savings account pays 8.5% and it is compounded monthly (round to the nearest $1) .

• A) $64
• B) $65
• C) $66
• D) $71

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Definitions:

Graph Equations

The process of plotting solutions to an equation on a coordinate plane to visualize the relationship between variables.

System of Equations

A set of two or more equations with the same variables, where the solution is the set of values that satisfy all equations simultaneously.

Graph of Equation

A visual representation of all the points that satisfy a given equation, plotted on a coordinate grid.

Method of Substitution

A technique used to solve systems of equations by solving one equation for one variable and then substituting that expression into another equation.