The circle graph shows data on the suitability of land for farming. Which three categories together account for exactly half of the land?
A pie chart is titled • The piece titled "Suitable" is at 20%
• The piece titled "Too dry" is at 30%
• The piece titled "Chemical problems" is at 25%
• The piece titled "Too shallow" is at 13%
• The piece titled "Too wet" is at 12%
A. suitable and too dry
B. suitable, too dry, and chemical problems
C. too wet and too shallow
D. too wet, too shallow, and chemical problems
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B. suitable, too dry, and chemical problems account for exactly half of the land (20% + 30% + 25% = 75%, which is half of the circle graph).
To find the three categories that together account for exactly half of the land, we need to add up the percentages:
20% + 30% + 25% + 13% + 12% = 100%
Now let's see which combination of categories adds up to 50%:
A. suitable and too dry: 20% + 30% = 50% (not exactly half)
B. suitable, too dry, and chemical problems: 20% + 30% + 25% = 75% (more than half)
C. too wet and too shallow: 12% + 13% = 25% (not exactly half)
D. too wet, too shallow, and chemical problems: 12% + 13% + 25% = 50% (exactly half)
So, the answer is: Option D. too wet, too shallow, and chemical problems