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1 vote
Solve the proportion.8/d = -12/30
A. -45
B. -20
C. -3.2​

1 Answer

2 votes

Answer:

B. -20

Explanation:

8/d = -12/30

We can use cross products to solve

8 * 30 = d* -12

240 = -12 d

Divide each side by -12

240/-12 = -12d/-12

-20 = d

User Nealmcb
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