C.<span>She used an incorrect formula. The formula should be the change in </span>y<span>-values with respect to the change in the </span>x<span>-values.
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6 and 3000 is the answer for ur question would be 3000
Since 5 of the 8 students are boys, the fraction would be 5/8. The fraction would roughly be around 63%
Answer is d, its simple....
