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WINSTONCH [101]
3 years ago
15

Four more than twice a number is 8

Mathematics
2 answers:
lys-0071 [83]3 years ago
6 0
Lets say the number equals x

Four more than twice a number is 8

4 more than twice a number is 8    

4 more than twice x is 8        (twice means 2 times)

4 more than 2x is 8               (more than means to add)

2x + 4 is 8

2x + 4 = 8

2x = 8 - 4

2x = 4

x = 4/2

x = 2
Contact [7]3 years ago
4 0
Four more than twice a number…..the root of this problem is 2. Twice 2 is 2x2 = 4 and then four more that number is 4 + 4 = 8.

Hope this helps. :)
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Step-by-step explanation:

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Working together three workers would take 1 hour 36 minutes to finish the job

<em><u>Solution:</u></em>

Given that first worker can finish the job in 8 hours

So in one hour, first worker can do \frac{1}{8} th of the work

The second worker can finish the job in 4 hours

So in one hour, second worker can do \frac{1}{4} th of the work

The third worker can also finish the job in 4 hours

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The three worker can thus do \frac{5}{8} th of the work in one hour

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3 years ago
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Distance cover by Alyson

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Distance cover by Alyson = 23 - 7

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