# SAT problem of the week, December 01, 2014 solution

Hint for process of elimination: Whenever an SAT gives a question that is realistic, it attempts to make sure that the solution is realistic. Therefore, if you happen to know anything about New York City, use that.

Also, notice that the ratio of the population of NYC to the population of the rest of New York is $8:11$. That means that a bit less than half of all New Yorkers live in New York City. Therefore, you should expect the answer to be a little under $50\%$. That leaves one or maybe two choices.

Read on for a full solution.

# SAT problem of the week, December 01, 2014

The ratio of the population of New York City to the population of the rest of New york is $8:11$. What percentage of the population of New York lives in New York City?

1. $27.2\%$ (check answer)
2. $37.5\%$ (check answer)
3. $42.1\%$ (check answer)
4. $57.9\%$ (check answer)
5. $72.7\%$ (check answer)

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# SAT problem of the week, November 10, 2014 solution

Hint for process of elimination: In the vast majority of cases, the SAT problem creators are very careful to make solutions realistic. You may recognize 5 km, or 3.1 miles, to be the standard distance for a 5K, a very common race frequently ran or walked for charity or in local or school competition across the United States. A 5K can be run in 15 minutes for the fastest high school runners, or walked at a comfortable pace in less than one hour. Use this to eliminate the two answers that do not make sense.

Read on for a full solution.

1. $0.15$ (check answer)
2. $20$ (check answer)
3. $33 \frac{1}{3}$ (check answer)
4. $45$ (check answer)
5. $360$ (check answer)