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Sagot :

S = 14km/h

T = 3h30 ⇔ 3 + 0,5 = 3,5 h

S = d/t ⇔ d = s × t

d = 14 × 3,5

d = 49 km

At the speed of 14km in a time of 3h30 you could go at 49 km

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