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zhuklara [117]
3 years ago
15

All members of our painting team paint at the same rate. If $20$ members can paint a $4800$ square foot wall in $36$ minutes, th

en how long would it take for $9$ members to paint a $4200$ square foot wall, in minutes?
Mathematics
1 answer:
Softa [21]3 years ago
8 0

Answer:

It takes 70 minutes for 9 team members (painting 60 sq ft per minute) to paint a 4200 sq ft wall.

Step-by-step explanation:

According to the situation the calculation is shown below:-

= \frac{4800}{20}

= 240 sq ft each member of the team in 36 minutes

= \frac{240}{36}

= 6.67 sq ft each member of the team within 1 minute

= 6.67\times 9

= 60 sq ft for every 9 team members in one minute

= \frac{4200}{60}

= 70 minutes (or 1 hour and 10 minutes)

Hence, the 70 minutes is taken for 9 team members

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40 cm equals how many mm
Lilit [14]

Answer:

40 cm equals 400 millimeters

I hope this helps you

7 0
2 years ago
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Find the area of a square with the sides 24feet ,27ft.18feet and 30feet
34kurt
Well, this question isn't really fair, considering that those sides aren't possible to make a square since a square has 4 congruent sides.
5 0
3 years ago
Help!!!!! stuck on this
8090 [49]
I hope this helps you




Pythagorean



hypothenus ^2=base^2+height ^2



hypothenus ^2=15^2+20^2



hypothenus ^2=225+400



hypothenus ^2=625



hypothenus ^2=25
7 0
3 years ago
The sum of two numbers is 24. The difference is 15. What are the two numbers?
tatiyna
The numbers are "x" and "y",
we suggest this system of equations.
x+y=24
x-y=15
solve by reduction method.
x+y=24
x-y=15
-----------------
2x=39      ⇒x=39/2=19.5

  x+y=24
-(x-y=15)
-------------------
   2y=9    ⇒y=9/2=4.5

The numbers are 19.5 and 4.5

To check
19.5+4.5=24
19.5-4.5=15
3 0
3 years ago
Find the circumference of this circle<br>c,d,a,g,be​
zheka24 [161]

A,G,B

IDK I think thats it

4 0
3 years ago
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