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March 31, 2015

March 31, 2015

Posted by **cynthia** on Monday, May 19, 2008 at 10:45am.

1)x more than or equal to 5

2)2y is more than or equal to x

3)20x+5y is less than or equal to 300

- maths(am i right??) -
**Reiny**, Monday, May 19, 2008 at 11:11amyour second one is backwards, it said

"..the folders she buys must be at least twice the number of calculators", so ...

y ≥ 2x

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