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Here is the word problem:

 

Serena's birthday is in August. There are five times as many days in August before her birthday as there are after it.

 

Which date in August in Serena's birthday?

 Oct 27, 2015
edited by Guest  Oct 27, 2015
edited by Guest  Oct 27, 2015
 #1
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How did your mind "go blank"? And why do you need the answer "ASAP". Did you really "think" about the problem? How many days are there in August? Did you think of Aug. 26?. How many days are there before Aug.26? And how many days are there after Aug. 26?. See if you can figure it out!!!!!.

 Oct 27, 2015
 #2
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Nope, still can't figure it out.

 Oct 27, 2015
 #3
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Besides the date of her birthday, there are 30 more days in August........let x be the number of days after her birthday and 5x be the number of days before her birthday....then....

 

5x + x = 30

 

6x = 30    divide both sides by 6

 

x = 5

 

But, this means there are 5x = 5(5)  = 25 days before her birthday.....thus....her birthday falls on the 26th

 

 

cool cool cool

 Oct 27, 2015

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