Difference between revisions of "1997 PMWC Problems/Problem I6"
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== Problem == | == Problem == | ||
| − | John and Mary went to a book shop and bought some exercise books. They had <math> | + | John and Mary went to a book shop and bought some exercise books. They had <math>$100 each. John could buy 7 large and 4 small ones. Mary could buy 5 large and 6 small ones and had </math>$5 left. How much was a small exercise book? |
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Plugging them back in, we see that they work. | Plugging them back in, we see that they work. | ||
| − | == See | + | == See Also == |
{{PMWC box|year=1997|num-b=I5|num-a=I7}} | {{PMWC box|year=1997|num-b=I5|num-a=I7}} | ||
[[Category:Introductory Algebra Problems]] | [[Category:Introductory Algebra Problems]] | ||
Revision as of 15:04, 15 May 2012
Problem
John and Mary went to a book shop and bought some exercise books. They had 
$5 left. How much was a small exercise book?
Solution
Plugging them back in, we see that they work.
See Also
| 1997 PMWC (Problems) | ||
| Preceded by Problem I5 |
Followed by Problem I7 | |
| I: 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 T: 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
