Question 987181
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(A) Distance cycled=(2hr)(x+8 km/hr)=2x+16 km
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(B) Distance ran=(0.5hr)(x km/hr)=0.5x km
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(C) x=running speed
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Distance cycled + Distance ran = Total distance
(2x+16 km)+ (0.5x km) = 46 km
2.5x+16=46km
2.5x=30km 
x=12 km/hr
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ANSWER: Jane's running speed was 12 km/hr.