1985 AJHSME Problems/Problem 10
Contents
[hide]Problem
The fraction halfway between and (on the number line) is
Solution
The fraction halfway between and is simply their average, which is
- For any two fractions that have the property and where is equal for both fractions;
Set aside the a. Take the average of b and c. For this example, the average of 3 and 5 is 4. Then multiply those numbers. 3*5=15. The number that is exactly in between and will be .
In this example, it would be , which simplifies to .
Therefore, the answer is
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Video Solution
~savannahsolver
See Also
1985 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
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