-k2-(3k-5n)+6n; k=-3 and n=-4
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Answer:
False
Step-by-step explanation:
Given that a high school reports that its students' SAT scores were down by 12% in one year. The next year, however, the test scores rose by 20%.
Let score initially be 100
Down by 12
Next year score 88
For succeedingyear
increase is 20% =
Score in the 2nd year =
Hence overall scores improvement is 5.6% and not 8%