Zachary was leading Ina swimming race by 5/8 of a length. He won the race by 1/2 a length.

Question

By how much did the second place swimmer catch up by th end of the race?

Answer 1

Zach's 5/8 of a length shrank to 4/8 of a length at end, so 1/8 length was lost--Ina gained 1/8 length.