The total global area of crops has increased from 44.2 million to 181.5 million
hectares between 2000 and 2014. Calculate the percentage increase Round this up to the
next whole number.

  311%

Step-by-step explanation:

The percentage change is calculated as ...

  percent change = ((new value) -(old value))/(old value) × 100%

Filling in the numbers, we have ...

  percent change = (181.5 -44.2)/44.2 × 100% ≈ 311%

The global area increased by 311% over the interval.

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step-by-step

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed