4.2.AP-7 :s Question Help Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 9 people took the trip. She was able to purchase coach tickets for $230 and first class tickets for $950. She used her total budget for airfare for the trip, which was $4230. How many first class tickets did she buy? How many coach tickets did she buy? number of first class tickets bought =

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)

it's d

step-by-step explanation: