28/80 and then you simplify it by dividing the numerator and denominator by 4 and you get 7/20.
B. 7/20 is the correct answer
Wait is the middle school.
notice the first term is -10, and the common difference is 3, so we add 3 to get the next term.

check the picture below.
Answer:
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The answer is 15% have a good day