Difference between revisions of "1997 PMWC Problems/Problem I1"
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| − | 837 1/ | + | == Problem == |
| + | Evaluate <math>29 \frac{27}{28} \times 27\frac{14}{15}</math>. | ||
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| + | == Solution == | ||
| + | <math>\frac{29 \cdot 28 + 14}{28} \cdot \frac{27 \cdot 15 + 24}{15} = \frac{839 \cdot 419}{420} = \frac{839(420 - 1)}{420} = 839 - \frac{839}{420} = 837 \frac{1}{420}</math> | ||
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| + | == See also == | ||
| + | {{PMWC box|year=1997|before=First question|num-a=I2}} | ||
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| + | [[Category:Introductory Algebra Problems]] | ||
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