Estimate 3 and 5/7 times 4 and 3/4 by rounding each factor to the nearest whole number. Explain your choices for rounding.
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3 5/7 is same as 3 + 5/7. The nearest whole number is 4 (because 5/7 is greater than half). 4 3/4 is same as 4 + 3/4. The nearest whole number is 5 (because 3/4 is also greater than half). Multiply the two whole numbers.
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