You are going on a field trip in a school bus. A special detector placed on one of the bus's tires counts the number of rotations completed by the tire during the journey. The tire's diameter is 1 meter, and it made 8000 rotations during the trip.
How far did the bus travel?

  25,133 m or 25.1 km

Step-by-step explanation:

The circumference of the tire is ...

  C = πd

  C = π(1 m)

The distance the bus traveled is 8000 times this far, so is ...

  distance = (8000)(π m) = 8000π m

Using 3.14159 for π, we find the distance to be about

  distance = (8000)(3.14159) m ≈ 25,133 m

The bus traveled about 25,133 meters or 25.1 km.

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm