Answer:
Step-by-step explanation:= 21/4 divided by -5/2
= 21/4 x -2/5. flipped and multiplied
= -21/10
= -2 1/10
-2 1/10
Explanation:
5 1/4 = 21/4
-2 1/2 = -5/2
21/4 ÷ -5/2=-21/10 = -2 1/10
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