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Estudos Gerais • 03/27/2024

3) (PUC-RJ 2017) Um carro viaja a ? a) 80 b) 75 c) 67 d) 85...

(PUC-RJ 2017) Um carro viaja a $100 \mathrm{~km} / \mathrm{h}$ por 15 minutos e, então, baixa sua velocidade a $60 \mathrm{~km} / \mathrm{h}$ , percorrendo $75 \mathrm{~km}$ nessa velocidade. Qual é a velocidade média do carro para o trajeto total, em $\mathrm{km} / \mathrm{h}$ ? a) 80 b) 75 c) 67 d) 85

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