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A CD costs £12 and a T-shirt costs £15, I have £60 to spend. I buy x number of CDs and y number of T-shirts. Write;

A) An expression for the amount of money I spend.

B) An inequality showing the amount of money I spend has to be less than or the same as what I have.

-Can you plot your inequality on a pair of axis?

-Can you use the graph to find the different numbers of CDs and T-shirts I can buy?

Worth 20 points!

1 Answer

4 votes

Answer:

A:
12x+15y=60 B:
12x+15y\leq 60

Explanation:

User Ludovic Chabant
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