A Laplace expansion along the first row gives
Look at the picture below that is the question
2 answers:
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Given:
Sharon uses 6.3 pints of blue paint and white paint to paint her bedroom walls.
of this amount is blue paint and the rest is white paint.
To find:
The pints of white paint did she use to paint her bedroom walls.
Solution:
We have,
Total paint used = 6.3 pints
Blue paint = of total paint used
=
=
White paint = Total paint used - Blue paint
=
=
Therefore, Sharon uses 1.26 pints of white paint to paint her bedroom walls.