Directions: Calculate the percent increase or decrease between the starting and ending quantities below. Round your answer to one decimal place.
Start: 100
End: 85 start: 45 end: 20 start: 30 end: 60

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step-by-step explanation:

what is the your question?

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6