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Mathematics
Ethan Barton
28 July, 23:21
3/9=21/k what is the strategy for solving it
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Tiara
29 July, 02:51
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Answer: k = 63
Step-by-step explanation: You need to multiply the left side by its reciprocal to move the numbers to the right. You also need to multiply by k on the right side to get it alone on the left. This will result in
(9/3) (3/9) = (21/k) (9/3) simplified
1 = 189/3k • k then multiply by k
k = 189/3 simplify
k = 63
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