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?

your answer is a

step-by-step explanation:

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56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

answer: i realy don't get it that much can you me figer it out pleas you

step-by-step explanation:

the answer would be  

a.

3: 1

step-by-step explanation: