Combined Work Problems and Formulas

This video tutorial from mathgotserved.com covers how to solve combined work word problems using a simplified formula. The instructor explains the formula and applies it to three examples involving different scenarios. The first two examples focus on calculating the time it takes for two people to complete a job together, while the third example involves finding the time it takes for one person to complete a job alone when given the combined time. The video concludes with a request for feedback and subscription.

What is the main focus of the video tutorial?

• Solving algebraic equations

• Understanding geometry concepts

• Solving combined work word problems

• Learning calculus

What is the formula used to calculate the time taken by two people working together?

• Average of individual times

• Difference of individual times

• Product of individual times divided by their sum

• Sum of individual times

If person A takes 5 hours and person B takes 10 hours to complete a task individually, what is the combined time if they work together?

• 5 hours

• 15 hours

• 7.5 hours

• 3.33 hours

In the first example, how long does it take Cody to complete the task alone?

• 8 hours

• 11 hours

• 9 hours

• 10 hours

How long does it take Rob to complete the task alone in the first example?

• 8 hours

• 9 hours

• 10 hours

• 11 hours

What is the combined time for Cody and Rob to complete the task together?

• 4.73 hours

• 5.5 hours

• 6 hours

• 7 hours

In the second example, how long does it take Willie to pick 40 bushels of apples alone?

• 9 hours

• 10 hours

• 11 hours

• 12 hours

How long does it take JD to pick the same amount of apples alone in the second example?

• 10 hours

• 8 hours

• 11 hours

• 9 hours

What is the combined time for Willie and JD to complete the task together?

• 6 hours

• 4.5 hours

• 5.24 hours

• 7 hours

In the third example, what is the combined time for Daniel and Beth to complete the task together?

• 6 hours

• 4.44 hours

• 3.5 hours

• 5 hours