The distance 3

The distance covered by car in 1 hour is 38 1/2 km. Find the distance it will cover in a) 3 1/2 hours, b) 5 hours.

Correct answer:

a =  134 34 = 539/4 km
b =  192 12 = 385/2 km

Step-by-step explanation:

t1=1 h s1=3821=38+21=238 2+1=276+1=277=38.5 km t2=321=3+21=23 2+1=26+1=27=3.5 h  v1=v2=v3 v=t1s1=1277=277=38.5 km/h  a=v t2=277 27=2 277 7=4539=4539 km=13443 km=134.75 km
t3=5 h  b=v t3=277 5=277 5=2385=2385 km=192.5 km

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