Answer:
840
Explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one. Please have a look at the attached photo.
My answer:
In the menu, there are 6 main ingredients and we take 2 at the same time, so the possible outcomes is:
=
= 15
In the menu, there are 8 toppings and we take 3 at the same time, so the possible outcomes is:
=
= 56
=> the total number of combinations :
=
*
=15 * 56 = 840