A trader bought 12 shirts for $150 altogether. He sold 11 them for $20 each and one for $10. Work out his overall percentage profit or loss.
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What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands