To divide any number 50, multiply by 2 and divide by 100.

To divide any number by 500, multiply by 2 and divide by 1000.

To divide any number by 5, multiply by 2 and divide by 10.

To divide any number by 25, multiply by 4 and divide by 100.

To divide any number by 250, multiply by 4 and divide by 1000.

To divide any number by 16 2/3, multiply by 6 and divide by 100.

To divide any number by 33 1/3, multiply by 3 and divide by 100.

To divide any number by 166 2/3, multiply by 6 and divide by 1000.

To divide any number by 333 1/3, multiply by 3 and divide by 1000.

To divide any number by 6 2/3, multiply by 15 and divide by 100.

To divide any number by 66 2/3, multiply by 15 and divide by 1000.

To divide any number by 8 1/3, mutiply by 12 and divide by 100.

To divide any number by 83 1/3, multiply by 12 and divide by 1000.

To divide any number by 6 1/4, multiply by 16 and divide by 100.

To divide any number by 62 1/2, multiply by 16 and divide by 1000.

To divide any number by 18 3/4, multiply by 16, divide by 3, then divide by 100.

To divide any number by 37 1/2, multiply by 8, divide by 3, then divide by 100.

To divide any number by 87 1/2, divide by 7, multiply 8, then divide by 100.

To divide any number by 75, divide by 3, multiply by 4, then divide by 100.