Answer:
-3/10
Explanation:
Step 1: Use this rule a/b x c/d = ac/bd
-3x2/4x5
Step 2: Simplify 3x2 to 6
-6/4x5
Step 3: Simplify 4x5 to 20
-6/20
Step 4: Simplify 6/20 to 3/10.
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