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Question
primary 6 | Maths
| Speed
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Date Posted: 5 years ago
Views: 320
X
speed: 68 km/h
time: t
distance = 68 x t = 68t
Y
speed: 76 km/h
time: t
distance = 76 x t = 76t
76t - 68t = 36 x 2
t = 9
distance between A & B is
( 68x9 + 36 ) x 2 = 648 x 2 = 1296 km
...
speed: 68 km/h
time: t
distance = 68 x t = 68t
Y
speed: 76 km/h
time: t
distance = 76 x t = 76t
76t - 68t = 36 x 2
t = 9
distance between A & B is
( 68x9 + 36 ) x 2 = 648 x 2 = 1296 km
...
May i know why 76t-68t=36x2 ?
Thank you.
Thank you.
half of A to B = 68t + 36
&
half of A to B = 76t - 36
*u can refer to the diagram in qn
&
half of A to B = 76t - 36
*u can refer to the diagram in qn
Noted, thank you
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Thank you
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