Notice this is a geometric progression since each number multiplied by some factor equals the next number in the sequence, in this case,

Then by applying the formula for sum to infinity of a geometric progression,
The answer is .4x because -3.4x+3.8x
Answer:
10/D that's pretty obvious but whatever
Answer:
pizza kids
3 7
6 14
12 28
24 56
48 112
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:)
Is the first number supposed to be $200,000? If it is then the increase is $50,000. Divide $50,000 by the original cost of the house (200,000) which is 0.25. Multiply that number by 100 to get % and the increase is 25%.