To evaluate 4/7×280, multiply the numerators and denominators separately, and then divide the results.
To evaluate the expression 4/7×280, you need to multiply 4/7 by 280. First, multiply the numerators: 4 × 280 = 1,120. Then multiply the denominators: 7 × 1 = 7. Finally, divide the product of the numerators by the product of the denominators: 1,120 ÷ 7 = 160.
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