Hello,
Your answer would be:
75%
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Answer:

Step-by-step explanation:
we know that
<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.
To calculate combinations, we will use the formula

where
n represents the total number of items
r represents the number of items being chosen at a time.
In this problem

substitute

simplify




The word "triangle" came into use in Late Middle English directly from the Latin "triangulus" by dropping the Latin "us" ending.
Triangulus is a compound word made of two Latin words.
<span>Tri, is a prefix form of tres, which means three (3)<span>Angulus, meaning corner.</span></span>