algebra

I having serious problems trying to solve this equation please help me

find the product matrix for this input-output and demand matrices

A= [ 0.1 0.03] D= [5]
[ 0.07 0.6] [10]

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  1. If you want AD, first check for rank compatibility

    A is 2x2 and D is 2x1, so AD will be 2x1.

    The solution is here:

    http://www.wolframalpha.com/input/?i={{0.1%2C+0.03}%2C{0.07%2C+0.6}}*{{5}%2C{10}}+

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