ACT SAT Prep determine the number of people from a whole group

The video tutorial focuses on problem-solving techniques, emphasizing the importance of breaking down problems into manageable parts. It demonstrates calculations involving subtraction and percentages, using a company scenario to find the number of men and those not in the accounting department. The tutorial highlights logical reasoning and mathematical operations to solve real-world problems.

What is the first step in breaking down a problem according to the instructor?

• List all possible solutions

• Calculate the final answer

• Identify the unknowns

• Determine what the question is asking

If a company has 350 employees and 120 are women, how many are men?

• 350

• 150

• 230

• 120

How do you calculate 20% of a number according to the instructor?

• Subtract 20 from the number

• Add 20 to the number

• Multiply the number by 0.20

• Divide the number by 20

If 20% of the employees work in the accounting department, how many employees is that?

• 63

• 70

• 120

• 350

How many men do not work in the accounting department if 63 men do?

• 230

• 167

• 70

• 63