Answer:
To divide 3 4/7 by 2/5, you will need to convert the mixed number 3 4/7 to an improper fraction. To do this, you will multiply the whole number (3) by the denominator of the fraction (7) and add the numerator (4) to get an improper fraction of 25/7.
Next, you will divide the numerator of the first fraction (25) by the numerator of the second fraction (2) and divide the denominator of the first fraction (7) by the denominator of the second fraction (5). So the answer is 25/2 divided by 7/5 which is equivalent to 25/2 * 5/7 = 25/14 which can be simplified further to 5/2