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Percents: Ballparking Percents

Which integer is closest to 23% of 317?
Correct. [[snippet]] Adjusting 23% up to 25% and 317 down to 300 are similar-sized changes that make the calculation easy. $$25\% \times 300 = 75$$ so the answer should be close to 75. Only 73 is particularly close.
Incorrect. [[snippet]]
Incorrect. [[snippet]]
Incorrect. [[snippet]]
66
73
85
92