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secondary 2 | Maths
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Helpp
speed: u
time: 2.5x24 = 60 h
distance moved = 60u
fast ship
speed: u+8
time: 60 h
distance = 60(u+8) = 60u + 480
60u + 60u + 480 = 4320
u = 32
slow ship: 32 km/h
fast ship: 40 km/h
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