Answer:
middle column P = 3(500) + -400 Last column 1100
P = 3(400) + (-400) 800
P = 3(300) + (-400) 500
P = 3(200) + -(400) 200
Explanation:
1)
1500 -400 = 100
2)
1200 - 400 = 800
3)
900 - 400 = 500
4)
600 - 400 = 200
500- p=1100
400- p=800
300- p=500
200- p=200
you multiply the 3 by the different numbers then subtract 400
hope it helps
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