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Ratios, Proportions, and Percents Videos 16 videos
SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
SAT Math: Numbers and Operations Drill 1, Problem 2. If the masterpiece will be worth $45,055 in five years, what is its worth now?
SAT Math 2.2 Numbers and Operations. According to the information given, how many times faster is Car A than Car D?
SAT Math 3.4 Statistics and Probability 269 Views
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Description:
SAT Math 3.4 Statistics and Probability
Transcript
- 00:03
Here’s your shmoop du jour, brought to you by Positive Integers.
- 00:06
The integers that aren’t always griping about Mondays.
- 00:13
If a, b, and c are positive integers, and a is greater than b, which is greater than c…
- 00:20
…which ratio must be the smallest… of the answer choices provided?
- 00:24
And here are the potential answers…
Full Transcript
- 00:28
This problem can be solved in a number of ways,
- 00:30
but the easiest way is probably by elimination from the answer choices given.
- 00:34
Since we know that a is greater than b and b is greater than c,
- 00:38
we know that answer choices (A), (B), and (C) would all be larger than 1…
- 00:43
…since the larger numbers would all be on top of smaller numbers.
- 00:47
Option (D), on the other hand, is smaller than 1…
- 00:54
…so it's the smallest possible ratio… and the correct answer.
- 00:58
Our answer's D.
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