length and the breadth of a rectangular park, math homework help

[1] The ratio between the length and the breadth of a rectangular park is 3 :2. If a man cycling along the boundary of the park at the speed of 12km/hr completes one round in 8 minutes, then the area of the park (insq. m) is:[2] A rectangular park 60 m long and 40 m wide has two concrete crossroadsrunning in the middle of the park and rest of the park has been used as alawn. If the area of the lawn is 2109 sq. m, then what is the width ofthe road?