Find the deference of 9/22-2/11,answer the simplest form

Apack contain a flower garden 50m long and 30m wide, and a path of uniform width around it. if the area of the path is 600m², what is its width?

18444kh+7+15*5+6+1978-32e「12-5426中-1)」​

Agrade six class went on a field trip. only 60% or 30 pupils joined the activity. what was the class enrollment? ​