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a children's park in 350 m long and 200m wide. It is surrounded by a pathway of uniform width. Suppose the total area of the park and the pathway is 74,464 m². How wide is the pathway?

Sagot :

let x= wide of pathway
350m(200m)(x)=74464m^2
70000m^2x=74464m^2
x=1.063771429

check: 
350m(200m)(1.063771429)
74464m^2