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Problem- This term the art professor would like her students to make glass with a composition of 74 %, silica 16%, washing soda and 10% limestone. The starting total mass of the three components should be 1 kg. If the beach sand they use contains 26.5% sea salt, 19.2% seashells and 54.3% sand, how many grams of beach sand and additional silica, washing soda and limestone should the students use to meet these specifications?

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