How many of the delegates to the constitutional convention actually signed the constitution

39, In all, 55 delegates attended the Constitutional Convention sessions, but only 39 actually signed the Constitution. The delegates ranged in age from Jonathan Dayton, aged 26, to Benjamin Franklin, aged 81, who was so infirm that he had to be carried to sessions in a sedan chair.

Explanation:

i looked it up,hope this helps!

i think the answer is c