Town planners are planning a 500 foot by 700 foot parking lot by making a scale drawing that is 90 in by 126 in. what is the scale of inches in the drawing to inches in the actual object?
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10% of increase is the final answer! : )

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify