Question

An ice cream shop offers the toppings shown below. How many 4-topping ice cream sundaes can you make?

chocolate chips
walnuts
strawberry sprinkles
caramel
hot fudge
whipped cream
gummy bears

11
28 **
30
35

Answer 1

7C4 = 7*6*5*4/4! = 35

There are 28 2-topping sundaes

Answer 2

7!/4!3!

7* 6* 5 * 4* 3 *2 *1 divided by

4*3* 2* 1* 3*2*1

You can cancel like factors

7(6)5) divided by (3)2 = 35

Answer 3

thank you

Answer 4

thank you