Write a Proportion That Can Be Used to Solve the Problem

question 119

Multiple Choice

Write a proportion that can be used to solve the problem. Then solve the equation to obtain the answer.
-On an architect's blueprint, 1 inch corresponds to 4 feet. Find the length of a wall represented by a line inches long on the blueprint. Round to the nearest tenth.

• A) 7.5 feet
• B) 9 feet
• C) 56.3 feet
• D) 17.8 feet

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Definitions:

Semi-annually Compounded

Relating to the process in which the interest on a loan or investment is calculated and added to the principal amount twice a year.

Effective Annual Rate

A measure of the true interest rate accounting for the effects of compounding over a year.

Contributions

Amounts given or donated to a particular cause, project, or for a retirement account.

Effective Rate of Return

A measure of the return on an investment that accounts for the effect of compounding over a specified time period.