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Channel: Barron's Test Prep Blog - Online Education and Test Prep » Picking Numbers
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Variable Approaches

Marlo travels 17 yards every x seconds.  How many seconds will it take him to travel y yards at the same speed?   A student I was working with encountered a very similar problem to this one and...

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Not Just Abstract Variables

“In a sport where a percent of players have a body fat percentage below b, c times out of d a randomly selected player will be above the threshold for obesity.” How many times did you have to read that...

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A Word of Caution When Plugging in Numbers

The positive numbers m and p are variables in the following equation: 4m + 5mp + 10 = 50m What is p in terms of m? A) 46/5 m B) 9m + 5 C) 46/5 – 2/m D) 5/m + 2 E) m/5 + 46 There’s always going to be an...

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