Sarah took the advertising department from her company on a round trip to meet with a potential client Including Sarah a total of 12 people took the trip. She was able to purchase coach tickets for $290 and first class tickets for $1150. She used her total budget for airfare for the trip which was $8640 How many first class tickets did she buy? How many coach tickets did she buy?

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

true

step-by-step explanation:

it is more then likely a review to you prepare for an upcomign test or quiz