A machine shop has 3,000 castings in stock at the beginning of the month. At the end of the first week, 28.0% of the stock is used. At the end of the second week, 50.0% of the stock remaining is used. How many castings remain in stock at the end of the second week?
What will be an ideal response?
3,000 x 0.28 = 840 used in the first week3,000 - 840 = 2,160 remaining2,160 x 0.50 = 1,080 used in the second week2,160 - 1,080 = 1,080 remaining at the end of the second week
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