Answer:17/20 = 27/20 = 81/60.
2 and 65438+4/05 = 34/15 =136/60.
30% 1 1 = 1 1/30 = 22/60
1 1
Three students ran 800 meters: A took three and a half minutes, B took three and three quarters, and C took three tenths. Who is the first? Why?
A: A comes first. Because three and a half >: three tenths of seven > three and three quarters.
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