anonymous
  • anonymous
MEDAL AND FAN!!! The population of Glendale this year is 3,200 more than half of last year’s population. The population this year is 26,300. Which equation could be solved to find last year’s population?
Mathematics
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anonymous
  • anonymous
MEDAL AND FAN!!! The population of Glendale this year is 3,200 more than half of last year’s population. The population this year is 26,300. Which equation could be solved to find last year’s population?
Mathematics
schrodinger
  • schrodinger
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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anonymous
  • anonymous
Here are the answer choices. A. 1/2x + 3,200=26,300 B. 2x – 3,200 = 26,300 C. 1/2x - 3,200 = 26,300 D. x + 1/2x + 3,00 = 26,300
tkhunny
  • tkhunny
You tell me. Which expression indicates what?
anonymous
  • anonymous
That's what I need help figuring out. If someone can run me through the correct process.

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tkhunny
  • tkhunny
The correct process is thinking about it. If x is last year's population, What does ½x mean? What does 2x mean? What does x + ½x mean?
anonymous
  • anonymous
1/2x= half of last years population? 2x= twice the amount of last years population? x + 1/2x= last years population plus half last years population?
tkhunny
  • tkhunny
Knowing that, can we eliminate choices?
anonymous
  • anonymous
Yes we can eliminate A, B and C unless I'm mistaken. Also the 3,00 in D is suppost to be 3,200, but I made a typo.
tkhunny
  • tkhunny
Why are we eliminating A or C? Do they, or do they not refer to ½x?
anonymous
  • anonymous
Sorry I got confused lol. Let's eliminate B. What next?
anonymous
  • anonymous
I'm beginning to think it's A.
tkhunny
  • tkhunny
D starts with x and then add ½x - That's no good. C starts with ½x, but subtracts 3200. -- That's no good. B starts with 2x -- That's no good. A starts with ½x and adds 3200. That's exactly what is needed. Don't begin to think... Prove it!
anonymous
  • anonymous
Well thanks, so much.

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