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Nastasia [14]
4 years ago
6

How many ways are there to make a line of 3 teachers and 8 students if a teacher must be at the front of the line

Mathematics
1 answer:
Klio2033 [76]4 years ago
5 0
24 possible ways with a different teacher (3) in front
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3 years ago
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Orlov [11]
<span>Total mass contains 320g copper. How many parts of 16g copper are there of the total mass of 320g copper? 320/16 = 20. There are 20 portions of 16g copper. (320/16) * 3 = 60g There are 60g of zinc in the compound.</span>
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