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Tatiana [17]
3 years ago
13

You can do one-half of a job in you can do one half of a job in a an hour. Your friend can do one-third of the same job in an ho

ut How long will take to do the job if you work together?
te your answer as a decimal

Mathematics
1 answer:
AlladinOne [14]3 years ago
5 0

Answer:

  • 1.2 hours

Step-by-step explanation:

Let the amount of the job is x.

You can do 1/2x in an hour.

Your friend can do 1/3x in an hour.

<u>Together you can do:</u>

  • 1/2x + 1/3x = 5/6x of a job in an hour

<u>You need time to finish the job:</u>

  • x ÷ 5/6x = 6/5 = 1.2 hours
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