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aev [14]
3 years ago
15

If it takes 8 men 10 hours to build a wall,how long would it take 4 men?​

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0

Answer:

20

Step-by-step explanation:

8/2=4

The workers were split in half, so the hours would go up:

10*2=20

I hope you understand what I mean...

                                                     :)

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WHAT IS THE VALUE OF x IN CENTIMETERS <br> A. 30cm<br> B. 8cm<br> C. 10.8cm<br> D.22.5cm
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3 years ago
William fills 1/3 of a water bottle in 5/9 of a minute. How many can be filled in a minute
Snezhnost [94]

For this case we can propose a rule of three:

\frac {1} {3}bottle ------------> \frac {5} {9}minutes

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x = \frac {1 * \frac {1} {3}} {\frac {5} {9}}\\x = \frac {\frac {1} {3}} {\frac {5} {9}}\\x = \frac {9 * 1} {3 * 5}\\x = \frac {9} {15}\\x = \frac {3} {5}

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Answer:

William can fill \frac {3} {5} of a water bottle in 1 minute.

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