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11-04-2019
Mathematics

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PLEASE HELP! There is a picture below that explains everything!
I reward brainliest!!!!!!!!!!!!!!

PLEASE HELP There is a picture below that explains everything I reward brainliest class=

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11-04-2019

Answer:

100

Step-by-step explanation:

200*300 = 60000

[(200 + x) (300 + x)]/2= 60000

60000 + 500x + x^2 = 120000

500x + x^2 = 120000

100

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