To estimate 68% of 432, we can find a close approximation that makes the calculation simpler. One straightforward method for estimating percentages is to use fractions that are easy to work with.
68% can be approximated as 70% (which is 7/10). So we can look for the closest easy multiplication.
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1/4 x 430:
\( 430 \div 4 = 107.5 \)
\( 1/4 \times 430 \approx 107.5 \) -
7/10 x 430:
\( 0.7 \times 430 = 301 \)
This is a good estimate because it approximates 70% of 430. -
7/10 x 450:
\( 0.7 \times 450 = 315 \)
This is also an estimate but it uses 450 instead of 430. -
1/4 x 450:
\( 450 \div 4 = 112.5 \) This is a smaller estimate.
Among the options, 7/10 x 430 gives the best and most accurate estimate for 68% of 432, as it closely approximates the value while remaining easy to calculate.
Thus, the most accurate way to estimate 68% of 432 is 7/10 x 430.