Solve. -Two Pipes Can Be Used to Fill a Pool. Working

question 63

Multiple Choice

Solve.
-Two pipes can be used to fill a pool. Working together, the two pipes can fill the pool in 7 hours. The larger pipe can fill the pool in 3 hours less time than the smaller pipe can alone. Find the time to the nearest tenth of an
Hour it takes for the smaller pipe working alone to fill the pool.

• A) 15.7 hours
• B) 15.8 hours
• C) 12.8 hours
• D) 12.7 hours

---

Definitions:

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related task or outcome.

Personality Inventory

A type of questionnaire or test that assesses various aspects of a person's character or psychological makeup.

IQ Test

An exam structured universally to assess human intellect and cognitive skills.

Reliability

Reliability refers to the degree to which an assessment tool produces stable and consistent results over time.