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gayaneshka [121]
3 years ago
8

(b) The train is 61 cm long and travels at a speed of 18 cm/s.

Mathematics
2 answers:
mixer [17]3 years ago
5 0

Answer:

The length of the bridge is 72 cm

Step-by-step explanation:

In order to find the length of bridge, we have to apply distance formula which is D = S × T where S represents speed and T is time :

d = s \times t

let \: s = 18,t = 4

d = 18 \times 4

d = 72 \: cm

xz_007 [3.2K]3 years ago
3 0

Answer:

It goes 18 cm every second:

18 x 4 = 72 cm

The bridge is 72 cm long.

Hope this helps!

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