One half (1 / 2) of a is equal to one eighth (1 / 8) of B. B is ()% of A There should be explanation, formula, number, etc

One half (1 / 2) of a is equal to one eighth (1 / 8) of B. B is ()% of A There should be explanation, formula, number, etc

A × 1 / 2 = B × 1 / 8
So B = 8 × a × 1 / 2 = 4 × a
So B is (400)% of A

What is the negative half of a negative three equal to

The negative half degree of three = the half degree of one third = root 3 / 3, and the - sign at the beginning is root 3 / 3

1. 25 hectares = a few parts of a square kilometer 2, 53 seconds = a few parts of an hour

1. 25 ha = 1 / 4 km2
2. 53 seconds = 53 / 3600