Question
Two individuals, X and Y, travel from point P to point Q
at different speeds. X takes 10 hours to complete the journey, while Y takes 12 hours. The difference in their speeds is 8 km/h, with one traveling faster than the other. Determine the distance between points P and Q.Solution
ATQ;
Let Y's speed = 'y' km/h,
X's speed = (y + 8) km/h
Time ratio = Y : X = 12 : 10
Speed ratio = 10 : 12
Using the given speed difference,
y = 16 km/h
Distance = Speed × Time = 16 × 12 = 192 km
Which two numbers need to be interchanged to make the following equation correct?
11 × 5 ÷ 10 + 12 – 4 = 13
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