Question

9. Two buses start from the same bus stand at 8 a.m.
One travels at 40 km/h and the other at 50 km/h.
The second bus reaches the next stop at 10 a.m.
How much later will the first bus arrive?


please make the answer write​

Answer 1

Qᴜᴇꜱᴛɪᴏɴꜱ :

ᴛᴡᴏ ʙᴜꜱᴇꜱ ꜱᴛᴀʀᴛ ꜰʀᴏᴍ ᴛʜᴇ ꜱᴀᴍᴇ ʙᴜꜱ ꜱᴛᴀɴᴅ ᴀᴛ 8ᴀᴍ . ᴏɴᴇ ᴛʀᴀᴠᴇʟꜱ ᴀᴛ 40ᴋᴍ/ʜ ᴀɴᴅ ᴛʜᴇ ᴏᴛʜᴇʀ ᴀᴛ 50ᴋᴍ/ʜ . ᴛʜᴇ ꜱᴇᴄᴏɴᴅ ʙᴜꜱ ʀᴇᴀᴄʜᴇꜱ ᴛʜᴇ ɴᴇxᴛ ꜱᴛᴏᴘ ᴀᴛ 10ᴀᴍ. ʜᴏᴡ ᴍᴜᴄʜ ʟᴀᴛᴇʀ ᴡɪʟʟ ᴛʜᴇ ꜰɪʀꜱᴛ ʙᴜꜱ ᴀʀʀɪᴠᴇ?

ᴀɴꜱᴡᴇʀ :

ᴛɪᴍᴇ ᴛᴀᴋᴇɴ = 10 ᴀᴍ - 8 ᴀᴍ = 2 ʜʀꜱ.

ᴅɪꜱᴛᴀɴᴄᴇ ᴡᴏɴ'ᴛ ᴄʜᴀɴɢᴇ ꜱᴏ

ᴅɪꜱᴛᴀɴᴄᴇ = ꜱᴘᴇᴇᴅ ᴍᴜʟᴛɪᴘʟʏ ᴛɪᴍᴇ.

50 ᴛɪᴍᴇꜱ 2 = 100 ᴋᴍ.

ᴛʜᴇɴ ᴛɪᴍᴇ ᴛᴀᴋᴇɴ 100 ᴅɪᴠɪᴅᴇ ʙʏ 40 = 2 ʜʀꜱ 30 ᴍɪɴ.

ꜱᴏ ꜰʀᴏᴍ 8 ᴀᴍ ᴀᴅᴅ 2ʜʀꜱ 30ᴍɪɴ = 10:30 ᴀᴍ

10:30 ᴀᴍ