CSEC Mathematics · January 2007 · Paper 2 · Question 10(a)(ii)
The TOTAL number of pens and pencils must NOT be more than 10.
Write an inequality to represent this information.
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Practise this questionOther parts of this question
- 10(a)(i)Write an inequality to represent this information.[1 mark]
- 10(a)(iii)Write the information represented by this inequality as a sentence in your own words.[2 marks]
- 10(b)(i)On the answer sheet provided, draw the graph of the TWO inequalities obtained in (a)(i) and (a)(ii) above.[3 marks]
- 10(b)(ii)Write the coordinates of the vertices of the region that satisfies the four inequalities (including y ≥ 0).[2 marks]
- 10(c)(i)Write an expression in x and y to represent the profit Pam makes.[1 mark]
- 10(c)(ii)Calculate the maximum profit Pam makes.[2 marks]
- 10(c)(iii)If Pam buys 4 pens, show on your graph the maximum number of pencils she can buy.[2 marks]
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