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Anonymous
15
Wilfredo Romaguera ∙
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-21 - -36 is the same as -21 +36 =15
Wiki User
3. 7x3= 21 12x3= 36
It is: 21/36 = 7/12 simplified
32
21. One twelfth of 36 is 3. Multiply that by 7, and you get 21.
1/12 (36) = 36/12 = 3