Naughty goes to school by bike every day. The outer diameter of the bicycle tire is 60cm It takes him 8 minutes to get to school. Do you know how far the naughty home is from school?

Naughty goes to school by bike every day. The outer diameter of the bicycle tire is 60cm It takes him 8 minutes to get to school. Do you know how far the naughty home is from school?

The distance is:
S=πdx150x8
=3.14x60x150x8
=226080cm
=2260.8m
That is, the naughty home is 2260.8m away from the school
I hope I can help you

The outer diameter of a bicycle tire is 70 cm. If the wheel turns 200 cycles per minute, how many meters does the bicycle travel per minute? (the number obtained keeps the whole number)

14 × 70 = 219.8 (CM); one minute can do: 219.8 × 200, = 43960 (CM), = 439.69m, ≈ 440m; answer: this kind of bicycle can do about 440m per minute

The diameter of a wheel is 55cm, the wheel rotates for one circle, and it advances approximately______ m．

14 × 55, = 172.7 (CM), 172.7 cm = 1.727 m; a: about 1.727 m forward