A chemist has two solutions of hci one has 40% conventration and the other has 25% concentration. how many liters of each solution must be fixed to obtain 66 liters of a 31% solution

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h