km/h? 7. A bus takes 48 minutes to cover a certain distance when travelling at a speed of 50 km/h. How much time will it take to cover the same distance when travelling at a speed of 30 km/h?. give the answer in hour and minute
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Step-by-step explanation:
Given, Speed =50 km/hr =50/60=5/6 km/min
Time taken by bus to cover distance =48 min
Distance=speed×time=48×
6
5
=40 km
∴ Time it will take to cover 40 km at 30 km/h
= distance / speed =40/30 =
3
4
hrs=4×20 min
= 80 minutes.
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Answer:
4×20 minutes = 80minutes
Speed = 50km/hr = 50/60 km/min = 5/6 km/mn
= 48
= ×
= 48 × 5/6 = 8×5 = 40 Kᴍ
ᴛʜᴇʀᴇғᴏʀᴇ ᴛɪᴍᴇ ɪᴛ ᴡɪʟʟ ᴛᴀᴋᴇ ᴛᴏ ᴄᴏᴠᴇʀ 40 ᴋᴍ ᴀᴛ
30ᴋᴍ/ʜ =ᴅɪsᴛᴀɴᴄᴇ / sᴘᴇᴇᴅ
=40/30 ʜᴏᴜʀs = 4/3 ʜᴏᴜʀs = 4/3 × 60 Mɪɴ
=4×20 ᴍɪɴᴜᴛᴇs = 80 minutes
______________________________________Answer = It will take 80 minutes for bus to cover some distance with speed of 30 km/h
_______________________________________
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