Question

If Jo is supposed to read one-half of a 100-page book for an English assignment and she has finished 38 pages, what percent of the assignment does she have left to do? Please answer and explain

Answer 1

$\frac{1}{2}\cdot100=50\ (pages)\\\\50-38=12\ (pages)\\\\\frac{12}{50}\cdot100\%=(12\cdot2)\%=24\%\leftarrow answer$