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Lola Hartman
Mathematics
21 September, 19:39
If y=12 when x=15, find x when y=21.
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Tori Gilbert
21 September, 20:05
0
x=35
Step-by-step explanation:
15/12=x/21
simplify 15/12 into 5/3,
cross product
5/3=x/21
cross product
3*x=5*21
3x=105
x=105/3
x=35
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