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Thursday, October 30, 2008

Matrix Competition MENG HWEE's Group 7

7) During the check ups, there are three hospitals, Metal hospital, 2K hospital and Fairy hospital. The table shown below is the sale of the blood.





(a) Write down two matrices such that matrix multiplication, will give the total price of the blood per hospital.
(b) By using matrix multiplication thrice, find the differences between the money earned between November and December per hospital.
(c) If there is an increased of 20% of the number of test tubes sold in December, what is the total amount of the test tubes sold in December?
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1 comment:

  1. wolfgirlOctober 30, 2008 at 10:43 AM

    Beautiful table!
    I like the variety of subquestions. There is multiplication by scalar and matrix multiplication. Good try!

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