tahmidtaj150 tahmidtaj150

04-02-2019
Mathematics

contestada

An Advertising firm has an old computer that can prepare a whole mailing in 6 hours. With the help of newer model the job is complete in 2 hours. How long would it take the newer model to do the job alone?

Respuesta :

srichard9955 srichard9955

04-02-2019

Answer:

It would only take three hours.

Step-by-step explanation:

1/6+1/x=1/2

x + 6=3x

6=2x

x=3hr

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