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can I use paint for science fair project
Hi, my dtr wants to do a science fair project that compares different detergents and effect on stain removal. Her teacher liked the idea but said it needed to be measured accurately, not just eyeballing the differences. Somewhere online someone commented that this could be measured by taking digital photos of each fabric and importing into Paint and using Paint to " find the average of the RGB values to see which one is lightest". I have no idea what this means or how to do it. Any help would be greatly appreciated.