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