1985 AJHSME Problems/Problem 18
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Problem
Nine copies of a certain pamphlet cost less than while ten copies of the same pamphlet (at the same price) cost more than
. How much does one copy of this pamphlet cost?
Solution
Let be the cost of the first pamphlet, in dollars. The first part tells us
The second part tells us that
Combining these two parts, the only possible value for is
, since
represents a monetary value.
See Also
1985 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 17 |
Followed by Problem 19 | |
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