alleryTwo trucks head the same way at 60 km/h and 40 km/h. The faster one gains on the slower at what rate?
A24 km/h
B20 km/h
C100 km/h
D50 km/h
Answer & Solution
Correct answer: B. 20 km/h
Going the same direction their speeds subtract, 60 - 40 = 20 km/h.
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