In a survey, 100 travel agents each ranked airlines a, b, and c in order of preference. each of the 100 travel agents also rated the three airlines in five categories on a scale of 1 through 10, with 10 being the best rating. the sum of the five average ratings was calculated for each of the three airlines. the airline with the least sum was ranked 1st by what fraction of the travel agents?

answer: approximately 206 bones

i hope this u out a branlist and a would be greatly appreciated :

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step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

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