2016 AMC 8 Problems/Problem 10
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Contents
Problem
Suppose that means
What is the value of
if
Solution 1
Let us plug in into
. Thus it would be
. Now we have
. Plugging
into
, we have
. Solving for
we have
Solution 2
Let us set a variable equal to
. Solving for y in the equation
, we see that y is equal to five. By substitution, we see that
= 5. Solving for x in the equation
we get
See Also
2016 AMC 8 (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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