Julie Stone designed a rectangular patio that is 25 ft by 40 ft. This patio is
surrounded by a terraced strip of uniform width planted with
small trees and shrubs. If the area A of this terraced strip is 504 ft, find the width x of the strip.

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δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: