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k roda belakang = 22/7 x 56 = 176
440 x 280 ÷ 176 = 700 kali putaran
Diameter roda belakang = 56 cm, 56 cm × 2 = 112 kali. Jadi, Roda depan berputar 280 kali, sedangkan Roda belakang berputar 112 kali.