the distance from a boy's house to his school is 10km. he left home at 6.30am, cycling at the rate of 4km/h. if he spent 15 minu
tes on the way waiting for his friend, when did he get to school?
2 answers:
Answer:
9:15 am
Step-by-step explanation:
First you know the speed and you know the distance.
So now we have to find the time it took for him to get to school(ignore the waiting time first)
time=10/4=2.5h
now we add the waiting time,
2.5h+0.25h(15minutes is the same as 0.25h)=2.75h
convert 0.75h to minuts,
0.75*60=45minutes
6.30+2.45=9.15am
Answer:
9:35
Step-by-step explanation:
6 : 30 min + 15 min = 6 : 45
10 km ÷ 4 km/h = 2 h and 50 min
2h and 50 min + 6 : 45 = 9 : 34
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