Answer :

Yang100

Answer:

-10/7

Step-by-step explanation:

2 1/2/(-1 3/4)

2 1/2=5/2

-1 3/4=-7/4

(5/2)/(-7/4)=(5/2)(-4/7)=-20/14

simplify

-10/7

rafaelnj6

Answer:

Step-by-step explanation:

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