The amount of stain needed to cover a wood surface is directly proportional to the area of the surface. If 3 pints are required to cover a square deck with a side of 7 feet, how many pints of stain are needed to paint a square deck with a side of 10 feet 6 inches?

Frida Faulkner

Frida Faulkner

Answered question

2022-09-09

The amount of stain needed to cover a wood surface is directly proportional to the area of the surface. If 3 pints are required to cover a square deck with a side of 7 feet, how many pints of stain are needed to paint a square deck with a side of 10 feet 6 inches?

Answer & Explanation

Aleah Harrell

Aleah Harrell

Beginner2022-09-10Added 18 answers

Amount of train (A) Area of surface (s)
for some constant k,
A=KS
When A=3
S= area of square of side 7
= 7 × 7 = 49Putting the value of k in (1):
A = 3 49 s
Now s = area of square of side 10 f 6 min
= ( 10.5 ) 2
Then = ( 10.5 ) 2 A = 3 49 ( 10.5 ) 2 = 6.75

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