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Tino's Ice Cream Shoppe features seven flavors: vanilla, chocolate, pistachio, coconut, blackberry, lemon, and saffron. Tino will gladly make you an ice cream shake featuring any two scoops you want (not necessarily of different flavors). For example, you can order blackberry-vanilla, or pistachio-saffron, or even chocolate-chocolate. Since the scoops are just going into the blender anyway, the order of the scoops doesn't matter: there's no difference between blackberry-vanilla and vanilla-blackberry.

 

How many different shakes can you order?

 May 15, 2018
 #1
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We can make 7 different shakes if we use the same flavor

 

If we use different flavors, we can make   C (7 ,2)  =  21 diffferent shakes

 

So.......7  +  21   = 28 different shakes can be made

 

 

 

cool cool cool

 May 15, 2018

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