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David and Fiona have a house painting business. Fiona can paint a house in 3 days, David can paint the same house in 4. How quickly could they paint it together?

Respuesta :

iknowthings
3.5 days!

Just because they work together, it doesn't mean they'll work twice as fast!

Find the average of the two by adding 3 and 4 to get 7 and then divide by 2 to get 3 and a half hour.

I think. xD This is kind of tricky.
gipecatherine15

Answer:

i think it would be 3.5 or 3 and 1/2 days

Step-by-step explanation:

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