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

question 522

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 $x : y = \frac { 0.37 x } { 100.5 - x }$ . How many hours of study are needed to score 87 ?

• A) \(23.80 \mathrm { hr }\)
• B) \(101.07 \mathrm { hr }\)
• C) \(2.38 \mathrm { hr }\)
• D) \(6.03 \mathrm { hr }\)

---

Definitions:

Net Income

The total profit of a company after all expenses, including taxes and operating costs, have been deducted from total revenue.

Profit Margin Ratio

A financial metric that measures the percentage of revenue that exceeds the cost of goods sold, indicating the profitability of sales.

Net Income

The total earnings of a company after deducting all expenses, taxes, and losses, indicating the company's profitability.

Net Sales

The revenue from sales after deducting returns, allowances for damaged or missing goods, and discounts.