Solving Work Problems with Rational Functions

Use the image to view the full question. After solving the equation, how many toys can be produced?

Use the image to check your work for the previous question.

• I checked my work and I understand my mistake

• I checked my work and I do not understand my mistake

• I got the last question correct

• I did not check my work

Use the image to check your work for the previous question.

• I checked my work and I understand my mistake

• I checked my work and I do not understand my mistake

• I got the last question correct

• I did not check my work

Use the image to view the full question. Based on the information provided, what are the correct values for a and for b?

• a = 238

  b = 388

• a = 388

  b = 238

• a = 238

  b = 45000

• a = 45000

  b = 238

• a = 388

  b = 45000

Which equation could be used to answer the question?

• A

• B

• C

• D

Brian can shovel all of the driveway in 30 minutes. If his younger brother Allen helps, the job takes only 20 minutes. How long would it take Allen to do the job by himself?

• 60 min

• 55 min

• 50 min

• 65 min

George can build a laptop twice as fast as Kurt. Working together, it takes them 3 hours. Which equation would you use to determine how long it will take Kurt working alone?

Katherine can paint a room in 4 hours. Joe needs 6 hours to paint the same room. Which equation would you use to determine how long it takes them to paint the room if they work together?

One crew can sow a field of corn in 6 days. A different crew can do the same job in 3 days. If the slow crew works alone for 2 days and then is joined by the faster crew, how long will it take them to finish?

• not enough information to tell