When the owner of a picture framing store took inventory of

When the owner of a picture framing store took inventory of her used frames, she found that she had 48 oak-8\", 11 oak-12\", 43 oak-18\", 12 walnut-8\", and 11 walnut-18\". Write this information as a 2 X 3 matrix.

When the owner of a picture framing store took inventory of her used frames, she found that she had 48 oak-8\", 11 oak 12\", 43 oak-18\", 12 walnut-8\", and 11 walnut 18\". Write this information as a 2 X 3 matrix. 43 11 48 12 0 11 48 12 11 0 43 11 48 11 43 12 0 11 48 11 43 11 0 12

Solution

If we let x for 8\", y for 12\" and z for 18\" and for the first statement we get

48 x    11 y    43 z

And for the second statement we get

12x     0 y    11z

The required matrix is

48    11     43

12     0      11

Hence the correct option is c