Mathematics, 09.09.2021 21:00 oof5221
Gold that is 24-karat (24K) gold is pure gold. Gold that is 18 parts gold plus 6 parts other metals is 18-karat (18K) gold. To find the percentage of gold in 18K gold, divide the number of parts gold (18) by the total number of parts metal (24) and multiply by 100%. So, 18/24 0.75, and 0.75 100% 75%. Thus, 18K gold is 75% gold. Find the percentĀ age of gold in 10K gold and 14K gold.
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Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
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Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.
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Multiply: 2.7 Ć (ā3) Ć (ā1.2). a. ā9.72 b. ā10.8 c. 10.8 d. 9.72
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