It takes 36 minutes for 7 people to paint 4 walls. How long does it take 9 people to paint 7 walls?

Mathematics

1 answer:

algol [13]3 years ago

7 0

It will take 49 minutes for 9 people to paint 7 walls

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X=8,2x+y=12 solve by substitution show work

son4ous [18]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Let's substitute the value of x as 8 in the given equation to find the value of y ~

$\sf2x + y = 12$

$\sf(2 \times 8) + y = 12$

$\sf16 + y = 12$

$\sf y = 12 - 16$

$\sf y = - 4$

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kifflom [539]

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Step-by-step explanation:

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