Twice the Water Flow in the Hot-Water Pipe Is the Same

question 142

Multiple Choice

Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1500 L/hr. What is the flow in each pipe?

• A) 600 L/hr hot; 900 L/hr cold
• B) 500 L/hr hot; 750 L/hr cold
• C) 900 L/hr hot; 600 L/hr cold
• D) 750 L/hr hot; 500 L/hr cold

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Definitions:

School-Aged Children

Children in the age group that typically attend school, usually considered to be between the ages of 6 and 18.

Second Grade

An educational level following first grade, typically involving students aged 7 to 8, focusing on developing basic math, reading, and writing skills.

Third Grade

A year or level of education in primary schools in various education systems, typically involving children ages 8 to 9.

Treisman's Attenuation Theory

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