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Mackenzie's ice cream shop lets customers choose 2 toppings from the list below to add to their ice cream:

There are 6 different toppings

How many groups of 2 different toppings can go on an order of ice cream?

Respuesta :

0090086

Answer:

15

Step-by-step explanation:

6 different toppings

lets say they are

a    b     c     d    e    f

you can have

a.b,a.c,a.d,a.e,a.f,b.c,b.d,b.e,b.f,c.d,c.e,c.f,d.e,d.f,e.f    ad them up which is 15

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