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Kim wants to paint the wall behind her bed.the dimensions of the wall are 8 ft by 10 ft . If one pint of paint covers 42 ft2 How many pints will she need to paint the wall?

Respuesta :

calculista

Answer:

[tex]2\ pints[/tex]

Step-by-step explanation:

step 1

Find the area of the wall

The area of the rectangular wall is

[tex]A=(8)(10)=80\ ft^{2}[/tex]

step 2

Using proportion find out how many pints Kim needs to paint the wall

so

[tex]\frac{1}{42}\frac{pint}{ft^2}=\frac{x}{80}\frac{pints}{ft^2}\\\\x=80/42\\\\x=1.9\ pints[/tex]

Round to the nearest whole number

[tex]1.9=2\ pints[/tex]

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