3 years ago

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

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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frosja888 [35]

Step-by-step explanation:

8 0

3 years ago

Angelina_Jolie [31]

12 is equivalent to three and 36 is equivalent to 12 three goes into 12 four times and and 36 goes into 12 three times

6 0

2 years ago

jeyben [28]

Answer:

8 ft^2

Step-by-step explanation:

$\frac{h1}{2ft} =\frac{h2}{3ft} \\\\$

area of ABC is:

$A= \frac{(3ft)(h2)}{2}$

area of ABC is 18 square ft, then

$h2 = \frac{(area)(2)}{3ft} = \frac{(18 ft^2)(2)}{3ft} =12ft$

now you can find h1 and the area for EFG

6 0

2 years ago

Levart [38]

thanks for your help I really think that it's three

5 0

2 years ago

miss Akunina [59]

-45 - 9n = -81

-9n = -81 + 45

-9n = -36

n = -36/-9

n = 4

Hope this helps you. :)

4 0

2 years ago