Question

Mark for review
At a certain laboratory, chemical substances are identified by an unordered combination of three different
colors. If no chemical may be assigned the same three colors as any other. What is the maximum number of
substances that can be identified using seven colors?
=
!​

Answer 1

Answer:

35 is the answer

ywhbahqoqnayawgwowywnw oy wbwiwwa drop gc roll UV SDK