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April 27, 2015

Homework Help: maths(am i right??)

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

Ms James buys x calculators and y folders to sell, she must buy at least 5 calculators,the folders she buys must be at least twice the number of calculators and if each calculator cost $20 and foldr $5 and she cant spend more than $300, write inequalities to represnt all this info.
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

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