Christopher bought a new watch at the store when they were having a 20% percent off sale. If the regular price of the watch was
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<u>Ashely have </u><u>56 ways</u><u> to choose from</u>
This question can be solved using a system in mathematics called Permutation and it's in a topic of mathematics called combinatorics.
<h3 /><h3>Permutation</h3>This is the process of arranging a particular set of data in different ways.
Since Ashely is choosing 3 desserts out of 8 in no specific ways
Where n = total number of ways available
r = total numbers that would be selected.
Data given
- n = 8
- r = 3
Let's substitute these values into the equation.
From the calculation above, Ashley have 56 ways in which can choose 3 dessert from an 8 choice.
Learn more about permutation here;