An airline charges $150 for an economy class seat, $450 for a business class seat, and $600 for a first-class seat. There are three times as many economy class seats as business class seats on an airplane. The revenue from selling all 60 seats on the airplane is $15,000. How many of each type of seat does the airplane have?

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step-by-step explanation:

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation:

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.