Solve the Problem $y$ Is the Minimum Number of Hours of Studying Required to Indicated

question 468

Multiple Choice

Solve the problem. Round to two decimal places unless otherwise indicated.
-In the following formula, $y$ is the minimum number of hours of studying required to attain a test score of $x$ : $y =$ $\frac { 0.47 x } { 100.5 - x }$ . How many hours of study are needed to score $97 ?$

• A) 13.03 hr
• B) 27.85 hr
• C) 100.02 hr
• D) 130.30 hr

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Definitions:

Supply of Money

The total amount of monetary assets available in an economy at a specific time, encompassing currency and various types of deposits.

Interest Rate

The interest rate represents the cost of borrowing money, often set by central banks, and is pivotal in determining the economic activity by influencing consumer spending and savings.

Aggregate Expenditure

The aggregate expenditure in an economy, which accounts for consumer spending, business investments, government spending, and the difference between exports and imports.

Interest Rate

The cost of borrowing money, typically expressed as a percentage of the amount loaned, charged by lenders to borrowers over a specific time period.