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Secondary 1 | Maths
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Date Posted: 4 years ago
Views: 216
A to B
speed: 4km/h
time: t (in h)
dist.: 4t
B to A
speed: 6km/h
time: 0.75 - t (in h)
dist.: 4.5 - 6t
4t = 4.5 - 6t
t = 4.5/10 = 0.45 h
total dist.
= 1.8 + 4.5 - 2.7
= 3.6 km
speed: 4km/h
time: t (in h)
dist.: 4t
B to A
speed: 6km/h
time: 0.75 - t (in h)
dist.: 4.5 - 6t
4t = 4.5 - 6t
t = 4.5/10 = 0.45 h
total dist.
= 1.8 + 4.5 - 2.7
= 3.6 km
Thank you! :)
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Answer from snell, thank you very much!
Date Posted:
4 years ago
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