Question

decide if this statement is valid or invalid. all geometry students are math students. all math students use calculators. herb is a geometry student, so herb uses a calculator.

Explanation:

Step1: Analyze the first statement

All geometry students are math students.

Step2: Analyze the second statement

All math students use calculators.

Step3: Analyze Herb's case

Herb is a geometry student. Since all geometry students are math students (from step1), and all math students use calculators (from step2), by transitive property, Herb (as a geometry student) uses a calculator. So the statement is valid.

Answer:

Valid