Question 503922: How do you answer a problem like this?
Twenty-seven exceeds one tenth of a number by seven. What is the number?
Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! Well, with algebra we always start with 'x'.
x = some number, we just don't know what number yet
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1/10*x +7 = 27
1/10*x = 20
x = 200
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Hmmm. We're still not sure.
so...
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We ALWAYS check our work!
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1/10*200 = 20
27 - 20 = 7
So, "27 exceeds one tenth of a number by 7."
Correct.
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Answer: The number is 200.
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Done.
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