07-05-2020
Mathematics

contestada

Jessica can build a bookshelf in 4 hours. Sydney can build a bookshelf in 6 hr. How long will it take them if they build the bookshelf together?

Respuesta :

Gameboy76 Gameboy76

07-05-2020

Answer:

2 hours

Step-by-step explanation:

i think

Answer Link

macyb05 macyb05

13-05-2020

Answer:

About 2.4 Hours

Step-by-step explanation:

1/4+1/6=1/h

12h(1/4+1/6)=12h(1/h)

3h+2h=12

5h=12

12/5=2.4

Answer Link

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