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If P:Q=8:15 and Q:R=3:2, then find P:Q:R.

A. 8:15
B. 8:15:10
C. 8:15:10
D. 10:15:08
Correct Answer: B. 8:15:10

To combine ratios P:Q and Q:R, make the common term Q equal. P:Q is 8:15. Q:R is 3:2. Multiply Q:R by 5 to get 15:10, matching Q. Therefore, P:Q:R is 8:15:10. Other options incorrectly combine the ratios.

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