contestada

Proport
4. Andy painted 400 square
feet in 3 hours. How long
would it take him to paint
720 square feet?

Respuesta :

agracel65
It takes 5 minutes per square foot (400/180=5) and so 5 minutes per square for 720 squares: 720x5=3,600. 3,600 minutes is equivalent to 60 hours so it takes him 60 hours.
KevinPug

Answer:

5.25, 5/14, or 21/4 hours

Step-by-step explanation:

400        700

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 3             x