ANSWER

17. Which value of n makes the proportion 8:5 = n:15 true?

A. 9

B. 20

C. 18

• D. 24

Solutions:

8:5 = n:15

15:8=5:n

• 15×8=120
• 5×n=5n

5n = 120

5 5

N=24

Therefore, the answer of n is 24

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