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

asked Feb 16, 2020 135k views

1 vote

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

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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

Nealmcb answered Feb 20, 2020

5.9k points

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