Solve using two equations with two variables
sarah took the advertising department from her company on a round trip to chicago to meet with a potential client. including sarah, a total of 14 people took the trip. she was able to purchase coach tickets for $250 and first-class tickets for $1150. she used her total budget for airfare for the trip, which was $10,700. how many first-class tickets did she buy?
how many coach tickets did she buy?

third option: 6x+8

step-by-step explanation:

we can see that the given question is a sum of series and the values of n vary from 0 to 3

the first term will be:

when n=0, [(0)*x+2] => (0+2) => 2

when n=1, [(1)*x+2] => (x+2) => x+2

when n=2, [(2)*x+2] => 2x+2

when n=4, [(3)*x+2] => 3x+2

so adding up all the terms will give us:

=2+x+2+2x+2+3x+2

=x+2x+3x+2+2+2+2

=6x+8

so,

third option is the correct answer ..

step-by-step explanation:

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