Answer:
400km/5hr
Step-by-step explanation:
A car is moving 80 km per hour. The car then travels in this constant speed for 5 hours. Multiply 5 to both the numerator and denominator:
(80 km/1 hr) x (5 hr/5 hr) = (80 km x 5)/(1 hr x 5) = 400 km/5 hr
The car travels 400 km in 5 hours.
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