P,Q,R are three cities.The ratio of average temperature between P and Q is 11:12 and that between P ans R is 9:8 .The ratio between the average temperature of Q and R is
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Answer:
27:22
Step-by-step explanation:
P /Q = 11 /12 => P = 11Q/12
P / R = 9 /8
11Q/12 /R = 9 /8
11Q / 12R = 9/8
Q: R = 108 : 88 = 27 : 22
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